diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..dc7d3d9
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,4 @@
+### このファイルの内容は .env ファイルで上書きできます
+
+# OpenAPI Schemaを取得するホスト
+BACKEND_REST_HOST=http://localhost:8080
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index ea8c4bf..50fd5c8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,3 @@
 /target
+backend_api/
+.env
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
index 294f279..3bc2d47 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,6 +17,21 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "512761e0bb2578dd7380c6baaa0f4ce03e84f95e960231d1dec8bf4d7d6e2627"
 
+[[package]]
+name = "android-tzdata"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e999941b234f3131b00bc13c22d06e8c5ff726d1b6318ac7eb276997bbb4fef0"
+
+[[package]]
+name = "android_system_properties"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "anstream"
 version = "0.6.18"
@@ -133,6 +148,19 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "chrono"
+version = "0.4.39"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7e36cc9d416881d2e24f9a963be5fb1cd90966419ac844274161d10488b3e825"
+dependencies = [
+ "android-tzdata",
+ "iana-time-zone",
+ "num-traits",
+ "serde",
+ "windows-targets 0.52.6",
+]
+
 [[package]]
 name = "clap"
 version = "4.5.26"
@@ -181,6 +209,7 @@ dependencies = [
  "common",
  "confy",
  "dialoguer",
+ "openapi",
  "reqwest",
  "rpassword",
  "serde",
@@ -241,6 +270,51 @@ version = "0.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
 
+[[package]]
+name = "darling"
+version = "0.20.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f63b86c8a8826a49b8c21f08a2d07338eec8d900540f8630dc76284be802989"
+dependencies = [
+ "darling_core",
+ "darling_macro",
+]
+
+[[package]]
+name = "darling_core"
+version = "0.20.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95133861a8032aaea082871032f5815eb9e98cef03fa916ab4500513994df9e5"
+dependencies = [
+ "fnv",
+ "ident_case",
+ "proc-macro2",
+ "quote",
+ "strsim",
+ "syn",
+]
+
+[[package]]
+name = "darling_macro"
+version = "0.20.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d336a2a514f6ccccaa3e09b02d41d35330c07ddf03a62165fcec10bb561c7806"
+dependencies = [
+ "darling_core",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "deranged"
+version = "0.3.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42b6fa04a440b495c8b04d0e71b707c585f83cb9cb28cf8cd0d976c315e31b4"
+dependencies = [
+ "powerfmt",
+ "serde",
+]
+
 [[package]]
 name = "dialoguer"
 version = "0.11.0"
@@ -421,13 +495,19 @@ dependencies = [
  "futures-core",
  "futures-sink",
  "http",
- "indexmap",
+ "indexmap 2.7.0",
  "slab",
  "tokio",
  "tokio-util",
  "tracing",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
+
 [[package]]
 name = "hashbrown"
 version = "0.15.2"
@@ -440,6 +520,12 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
+[[package]]
+name = "hex"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
+
 [[package]]
 name = "http"
 version = "1.2.0"
@@ -552,6 +638,29 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "iana-time-zone"
+version = "0.1.61"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "235e081f3925a06703c2d0117ea8b91f042756fd6e7a6e5d901e8ca1a996b220"
+dependencies = [
+ "android_system_properties",
+ "core-foundation-sys",
+ "iana-time-zone-haiku",
+ "js-sys",
+ "wasm-bindgen",
+ "windows-core",
+]
+
+[[package]]
+name = "iana-time-zone-haiku"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f31827a206f56af32e590ba56d5d2d085f558508192593743f16b2306495269f"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "icu_collections"
 version = "1.5.0"
@@ -670,6 +779,12 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "ident_case"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
+
 [[package]]
 name = "idna"
 version = "1.0.3"
@@ -691,6 +806,17 @@ dependencies = [
  "icu_properties",
 ]
 
+[[package]]
+name = "indexmap"
+version = "1.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
+dependencies = [
+ "autocfg",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
 [[package]]
 name = "indexmap"
 version = "2.7.0"
@@ -698,7 +824,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "62f822373a4fe84d4bb149bf54e584a7f4abec90e072ed49cda0edea5b95471f"
 dependencies = [
  "equivalent",
- "hashbrown",
+ "hashbrown 0.15.2",
+ "serde",
 ]
 
 [[package]]
@@ -785,6 +912,16 @@ version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a"
 
+[[package]]
+name = "mime_guess"
+version = "2.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7c44f8e672c00fe5308fa235f821cb4198414e1c77935c1ab6948d3fd78550e"
+dependencies = [
+ "mime",
+ "unicase",
+]
+
 [[package]]
 name = "miniz_oxide"
 version = "0.8.3"
@@ -822,6 +959,21 @@ dependencies = [
  "tempfile",
 ]
 
+[[package]]
+name = "num-conv"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51d515d32fb182ee37cda2ccdcb92950d6a3c2893aa280e540671c2cd0f3b1d9"
+
+[[package]]
+name = "num-traits"
+version = "0.2.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "object"
 version = "0.36.7"
@@ -837,6 +989,19 @@ version = "1.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1261fe7e33c73b354eab43b1273a57c8f967d0391e80353e51f764ac02cf6775"
 
+[[package]]
+name = "openapi"
+version = "1.0.0"
+dependencies = [
+ "reqwest",
+ "serde",
+ "serde_json",
+ "serde_repr",
+ "serde_with",
+ "url",
+ "uuid",
+]
+
 [[package]]
 name = "openssl"
 version = "0.10.68"
@@ -934,6 +1099,12 @@ version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "953ec861398dccce10c670dfeaf3ec4911ca479e9c02154b3a215178c5f566f2"
 
+[[package]]
+name = "powerfmt"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.93"
@@ -995,6 +1166,7 @@ dependencies = [
  "js-sys",
  "log",
  "mime",
+ "mime_guess",
  "native-tls",
  "once_cell",
  "percent-encoding",
@@ -1192,6 +1364,17 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_repr"
+version = "0.1.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c64451ba24fc7a6a2d60fc75dd9c83c90903b19028d4eff35e88fc1e86564e9"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "serde_spanned"
 version = "0.6.8"
@@ -1213,6 +1396,36 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_with"
+version = "3.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6b6f7f2fcb69f747921f79f3926bd1e203fce4fef62c268dd3abfb6d86029aa"
+dependencies = [
+ "base64",
+ "chrono",
+ "hex",
+ "indexmap 1.9.3",
+ "indexmap 2.7.0",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "serde_with_macros",
+ "time",
+]
+
+[[package]]
+name = "serde_with_macros"
+version = "3.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8d00caa5193a3c8362ac2b73be6b9e768aa5a4b2f721d8f4b339600c3cb51f8e"
+dependencies = [
+ "darling",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "server"
 version = "0.1.0"
@@ -1376,6 +1589,37 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "time"
+version = "0.3.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "35e7868883861bd0e56d9ac6efcaaca0d6d5d82a2a7ec8209ff492c07cf37b21"
+dependencies = [
+ "deranged",
+ "itoa",
+ "num-conv",
+ "powerfmt",
+ "serde",
+ "time-core",
+ "time-macros",
+]
+
+[[package]]
+name = "time-core"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ef927ca75afb808a4d64dd374f00a2adf8d0fcff8e7b184af886c3c87ec4a3f3"
+
+[[package]]
+name = "time-macros"
+version = "0.2.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2834e6017e3e5e4b9834939793b282bc03b37a3336245fa820e35e233e2a85de"
+dependencies = [
+ "num-conv",
+ "time-core",
+]
+
 [[package]]
 name = "tinystr"
 version = "0.7.6"
@@ -1475,7 +1719,7 @@ version = "0.22.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4ae48d6208a266e853d946088ed816055e556cc6028c5e8e2b84d9fa5dd7c7f5"
 dependencies = [
- "indexmap",
+ "indexmap 2.7.0",
  "serde",
  "serde_spanned",
  "toml_datetime",
@@ -1534,6 +1778,12 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
 
+[[package]]
+name = "unicase"
+version = "2.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75b844d17643ee918803943289730bec8aac480150456169e647ed0b576ba539"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.14"
@@ -1588,6 +1838,7 @@ version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "744018581f9a3454a9e15beb8a33b017183f1e7c0cd170232a2d1453b23a51c4"
 dependencies = [
+ "getrandom",
  "serde",
 ]
 
@@ -1693,6 +1944,15 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "windows-core"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "33ab640c8d7e35bf8ba19b884ba838ceb4fba93a4e8c65a9059d08afcfc683d9"
+dependencies = [
+ "windows-targets 0.52.6",
+]
+
 [[package]]
 name = "windows-registry"
 version = "0.2.0"
diff --git a/Cargo.toml b/Cargo.toml
index f0f6023..9600bfc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,4 +4,5 @@ members = [
     "common",
     "server",
     "client",
+    "backend_api",
 ]
diff --git a/Makefile.toml b/Makefile.toml
new file mode 100644
index 0000000..aeb3fd6
--- /dev/null
+++ b/Makefile.toml
@@ -0,0 +1,51 @@
+env_files = [{ path = ".env.example"}]
+# Load .env file if it exists
+env_scripts = ['''
+#!@duckscript
+if is_file .env
+    text = readfile .env
+    handle = map
+    map_load_properties ${handle} ${text}
+    set_env --handle ${handle}
+end
+''']
+
+
+[config]
+default_to_workspace = false
+
+[tasks.openapi-fetch]
+description = "Fetch latest OpenAPI schema"
+command = "curl"
+args = ["-o", "schema.yaml", "${BACKEND_REST_HOST}/api/schema.yaml"]
+
+[tasks.openapi-gen]
+description = "Generate Rust client from OpenAPI schema"
+command = "docker"
+windows.env = { "PWD" = { script = ["cd"] } }
+linux.env = { "UID" = { script = [
+    "id -u",
+] }, "GID" = { script = [
+    "id -g",
+] }, "OPTS" = "--user=${UID}:${GID}" }
+
+args = [
+    "run",
+    "--rm",
+    "@@remove-empty(OPTS)",
+    "-v",
+    "${PWD}:/local",
+    "openapitools/openapi-generator-cli",
+    "generate",
+    "-i",
+    "/local/schema.yaml",
+    "-g",
+    "rust",
+    "-o",
+    "/local/backend_api",
+    "--skip-validate-spec",
+]
+
+[tasks.openapi]
+description = "Fetch and generate OpenAPI schema"
+dependencies = ["openapi-fetch", "openapi-gen"]
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..bdab95f
--- /dev/null
+++ b/README.md
@@ -0,0 +1,14 @@
+# 前提条件
+## cargo-make
+```sh
+$ cargo install --force cargo-make
+```
+
+https://github.com/sagiegurari/cargo-make?tab=readme-ov-file#installation
+
+
+# Build
+## Generate OpenAPI Client
+```sh
+$ cargo make openapi-gen
+```
\ No newline at end of file
diff --git a/client/Cargo.toml b/client/Cargo.toml
index 2fe833e..fa985e7 100644
--- a/client/Cargo.toml
+++ b/client/Cargo.toml
@@ -8,6 +8,7 @@ path = "src/main.rs"
 [dependencies]
 clap = { version = "4.5.26", features = ["derive"] }
 common = { path = "../common" }
+openapi = { path = "../backend_api" }
 confy = "0.6.1"
 dialoguer = "0.11.0"
 reqwest = { version = "0.12.12", features = ["json"] }
diff --git a/client/src/api_client.rs b/client/src/api_client.rs
new file mode 100644
index 0000000..bb778f0
--- /dev/null
+++ b/client/src/api_client.rs
@@ -0,0 +1,7 @@
+use openapi::apis::configuration::Configuration;
+
+pub fn get_api_config(basepath: String) -> Configuration {
+    let mut conf = Configuration::new();
+    conf.base_path = basepath;
+    conf
+}
diff --git a/client/src/commands/login.rs b/client/src/commands/login.rs
index b076549..f21605e 100644
--- a/client/src/commands/login.rs
+++ b/client/src/commands/login.rs
@@ -1,8 +1,9 @@
 use super::{Args, Command};
-use crate::config::{Config, ServerConfig};
-use crate::schema::api::{LoginRequest, LoginResponse};
+use crate::{
+    api_client::get_api_config,
+    config::{Config, ServerConfig},
+};
 use dialoguer::{Confirm, Input, Password};
-use reqwest::Client;
 use std::process::exit;
 use url::Url;
 
@@ -60,7 +61,7 @@ impl Command for Login {
         let mut config = Config::load();
         let server = ServerConfig {
             url,
-            token: Some(response_body.data.unwrap().token.token),
+            token: Some(response_body.token.token),
         };
         config.servers.insert(self.server_name.clone(), server);
         if self.default {
@@ -71,42 +72,49 @@ impl Command for Login {
     }
 }
 
-async fn login(username: String, password: String, mut url: Url) -> LoginResponse {
-    let login_request = LoginRequest { username, password };
-    url.set_path(&format!(
-        "{}/api/auth/login",
-        url.path().trim_end_matches('/')
-    ));
-    let response = Client::new().post(url).json(&login_request).send().await;
+async fn login(
+    username: String,
+    password: String,
+    url: Url,
+) -> openapi::models::UserWithTokenResponse {
+    let login_credential = openapi::models::LoginCredential { username, password };
+    let conf = get_api_config(url.as_str().to_string());
+
+    let response =
+        openapi::apis::default_api::api_auth_login_post(&conf, Some(login_credential)).await;
     match response {
-        Ok(response) => {
-            let status = response.status();
-            if !status.is_success() && status.as_u16() != 401 {
-                eprintln!("Request error: status {}", status.as_u16());
-                eprintln!("Please check your internet connection or server URL and try again.");
-                exit(1);
-            }
-            let response_body = response.json::<LoginResponse>().await;
-            match response_body {
-                Ok(response_body) => {
-                    if response_body.ok {
-                        response_body
-                    } else {
-                        eprintln!("Login Failed!");
-                        eprintln!("Wrong username or password.");
-                        eprintln!("Check your credentials.");
+        Ok(response) => *response.data,
+        Err(e) => match e {
+            openapi::apis::Error::ResponseError(response_content) => {
+                match response_content.entity {
+                    Some(e) => match e {
+                        openapi::apis::default_api::ApiAuthLoginPostError::UnknownValue(_value) => {
+                            eprintln!("Login Failed!");
+                            eprintln!("Unknown Error {:?}", _value);
+                            exit(1);
+                        }
+                        openapi::apis::default_api::ApiAuthLoginPostError::Status400(error) => {
+                            eprint!("Login Failed!");
+                            eprintln!("Bad Request: {:?}", error);
+                            exit(1);
+                        }
+                        openapi::apis::default_api::ApiAuthLoginPostError::Status401(_error) => {
+                            eprintln!("Login Failed!");
+                            eprintln!("Wrong username or password.");
+                            eprintln!("Check your credentials.");
+                            exit(1);
+                        }
+                    },
+                    None => {
+                        eprintln!("Invalid Response");
                         exit(1);
                     }
                 }
-                Err(e) => {
-                    eprintln!("Invalid response: {}", e);
-                    exit(1);
-                }
             }
-        }
-        Err(e) => {
-            eprintln!("Request error: {}", e);
-            exit(1);
-        }
+            e => {
+                eprintln!("Request error: {}", e);
+                exit(1);
+            }
+        },
     }
 }
diff --git a/client/src/commands/logout.rs b/client/src/commands/logout.rs
index 9e676e1..000119f 100644
--- a/client/src/commands/logout.rs
+++ b/client/src/commands/logout.rs
@@ -1,7 +1,6 @@
 use super::{Args, Command};
-use crate::schema::api::LogoutResponse;
-use crate::Config;
-use reqwest::{header, Client};
+use crate::{api_client::get_api_config, Config};
+use openapi::apis::default_api::api_auth_logout_post;
 use std::process::exit;
 use url::Url;
 
@@ -29,44 +28,29 @@ impl Command for Logout {
     }
 }
 
-async fn logout(token: String, mut url: Url) -> LogoutResponse {
-    url.set_path(&format!(
-        "{}/api/auth/logout",
-        url.path().trim_end_matches('/')
-    ));
-    let response = Client::new()
-        .post(url)
-        .header(header::AUTHORIZATION, format!("Bearer {}", token))
-        .json(&{})
-        .send()
-        .await;
+async fn logout(token: String, url: Url) -> Option<Option<serde_json::Value>> {
+    let mut conf = get_api_config(url.as_str().to_string());
+    conf.bearer_access_token = Some(token);
+    let response = api_auth_logout_post(&conf).await;
     match response {
-        Ok(response) => {
-            let status = response.status();
-            if !status.is_success() {
-                eprintln!("Request error: status {}", status.as_u16());
-                exit(1);
-            }
-            println!("{}", status.is_success());
-            let response_body = response.json::<LogoutResponse>().await;
-            match response_body {
-                Ok(response_body) => {
-                    if response_body.ok {
-                        response_body
-                    } else {
-                        eprintln!("Error: {}", response_body.message.unwrap());
+        Ok(response) => response.data,
+        Err(e) => match e {
+            openapi::apis::Error::ResponseError(response_content) => {
+                match response_content.entity {
+                    Some(e) => {
+                        eprintln!("Error: {:?}", e);
+                        exit(1);
+                    }
+                    None => {
+                        eprintln!("Invalid response {}", response_content.status);
                         exit(1);
                     }
-                }
-                Err(ref e) => {
-                    eprintln!("Invalid response: {}", e);
-                    exit(1);
                 }
             }
-        }
-        Err(e) => {
-            eprintln!("Request error: {}", e);
-            exit(1);
-        }
+            e => {
+                eprintln!("Request error: {}", e);
+                exit(1);
+            }
+        },
     }
 }
diff --git a/client/src/main.rs b/client/src/main.rs
index 71d3a70..623ed24 100644
--- a/client/src/main.rs
+++ b/client/src/main.rs
@@ -2,9 +2,9 @@ use clap::Parser;
 use commands::Args;
 use config::Config;
 
+mod api_client;
 mod commands;
 mod config;
-mod schema;
 
 #[tokio::main]
 async fn main() {
diff --git a/client/src/schema.rs b/client/src/schema.rs
deleted file mode 100644
index e5fdf85..0000000
--- a/client/src/schema.rs
+++ /dev/null
@@ -1 +0,0 @@
-pub mod api;
diff --git a/client/src/schema/api.rs b/client/src/schema/api.rs
deleted file mode 100644
index 34205e4..0000000
--- a/client/src/schema/api.rs
+++ /dev/null
@@ -1,38 +0,0 @@
-#![allow(dead_code)]
-use serde::{Deserialize, Serialize};
-use uuid::Uuid;
-
-#[derive(Debug, Serialize)]
-pub struct LoginRequest {
-    pub username: String,
-    pub password: String,
-}
-
-#[derive(Debug, Deserialize)]
-pub struct LoginResponse {
-    pub ok: bool,
-    pub data: Option<LoginResponseData>,
-    pub message: Option<String>,
-}
-
-#[derive(Debug, Deserialize)]
-pub struct LoginResponseData {
-    #[serde(rename = "userId")]
-    pub user_id: Uuid,
-    pub username: String,
-    pub token: LoginResponseToken,
-}
-
-#[derive(Debug, Deserialize)]
-pub struct LoginResponseToken {
-    pub token: String,
-    #[serde(rename = "expiresAt")]
-    pub expires_at: String,
-}
-
-#[derive(Debug, Deserialize)]
-pub struct LogoutResponse {
-    pub ok: bool,
-    pub data: Option<String>, // Always returned null or empty
-    pub message: Option<String>,
-}
diff --git a/schema.yaml b/schema.yaml
new file mode 100644
index 0000000..b1b162e
--- /dev/null
+++ b/schema.yaml
@@ -0,0 +1,886 @@
+openapi: 3.1.0
+info:
+  title: Freight API
+  description: Freight API
+  version: 1.0.0
+externalDocs:
+  url: /
+servers:
+- url: http://localhost:8080
+  description: Development Server
+tags: []
+paths:
+  /api/auth/login:
+    post:
+      tags: []
+      parameters: []
+      requestBody:
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                username:
+                  type: string
+                  title: String
+                password:
+                  type: string
+                  title: String
+              required:
+              - password
+              - username
+              title: LoginCredential
+        required: false
+      responses:
+        "200":
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  data:
+                    $ref: "#/components/schemas/UserWithTokenResponse"
+                required:
+                - data
+                - ok
+                title: Success
+        "400":
+          description: Bad Request
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                example: "{\"ok\":false,\"message\":\"Error Message\"}"
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  message:
+                    type: string
+                    title: String
+                required:
+                - message
+                - ok
+                title: Error
+        "401":
+          description: Unauthorized
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                example: "{\"ok\":false,\"message\":\"Error Message\"}"
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  message:
+                    type: string
+                    title: String
+                required:
+                - message
+                - ok
+                title: Error
+      deprecated: false
+  /api/auth/logout:
+    post:
+      tags: []
+      parameters: []
+      responses:
+        "200":
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  data:
+                    type: "null"
+                    title: Unit
+                required:
+                - ok
+                title: Success
+        "401":
+          description: Unauthorized
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                example: "{\"ok\":false,\"message\":\"Error Message\"}"
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  message:
+                    type: string
+                    title: String
+                required:
+                - message
+                - ok
+                title: Error
+        "500":
+          description: Internal Server Error
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                example: "{\"ok\":false,\"message\":\"Error Message\"}"
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  message:
+                    type: string
+                    title: String
+                required:
+                - message
+                - ok
+                title: Error
+      deprecated: false
+      security:
+      - AppDefaultSecurityScheme: []
+  /api/networks/create:
+    post:
+      tags: []
+      parameters: []
+      requestBody:
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                name:
+                  type: string
+                  title: String
+                networkAddress:
+                  type: string
+                  format: ipv4-cidr
+                  example: 10.0.0.0/8
+                  title: NetworkAddressWithMask
+                containerAddress:
+                  type: string
+                  format: ipv4-cidr
+                  example: 10.0.0.0/8
+                  title: NetworkAddressWithMask
+                clientAddress:
+                  type: string
+                  format: ipv4-cidr
+                  example: 10.0.0.0/8
+                  title: NetworkAddressWithMask
+              required:
+              - clientAddress
+              - containerAddress
+              - name
+              - networkAddress
+              title: CreateNetworkRequest
+        required: false
+      responses:
+        "200":
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  data:
+                    $ref: "#/components/schemas/UserWithTokenResponse"
+                required:
+                - data
+                - ok
+                title: Success
+        "401":
+          description: Unauthorized
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                example: "{\"ok\":false,\"message\":\"Error Message\"}"
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  message:
+                    type: string
+                    title: String
+                required:
+                - message
+                - ok
+                title: Error
+        "400":
+          description: Bad Request
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                example: "{\"ok\":false,\"message\":\"Error Message\"}"
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  message:
+                    type: string
+                    title: String
+                required:
+                - message
+                - ok
+                title: Error
+      deprecated: false
+      security:
+      - AppDefaultSecurityScheme: []
+  /api/networks/me:
+    get:
+      tags: []
+      parameters: []
+      responses:
+        "200":
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  data:
+                    type: array
+                    items:
+                      $ref: "#/components/schemas/Network"
+                    title: ArrayList<Network>
+                required:
+                - data
+                - ok
+                title: Success
+        "401":
+          description: Unauthorized
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                example: "{\"ok\":false,\"message\":\"Error Message\"}"
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  message:
+                    type: string
+                    title: String
+                required:
+                - message
+                - ok
+                title: Error
+      deprecated: false
+      security:
+      - AppDefaultSecurityScheme: []
+  /api/networks/{owner}/{name}:
+    get:
+      tags: []
+      parameters:
+      - name: owner
+        in: path
+        required: true
+        deprecated: false
+        explode: false
+        schema:
+          type: string
+          title: String
+      - name: name
+        in: path
+        required: true
+        deprecated: false
+        explode: false
+        schema:
+          type: string
+          title: String
+      responses:
+        "200":
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  data:
+                    $ref: "#/components/schemas/Network"
+                required:
+                - data
+                - ok
+                title: Success
+        "401":
+          description: Unauthorized
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                example: "{\"ok\":false,\"message\":\"Error Message\"}"
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  message:
+                    type: string
+                    title: String
+                required:
+                - message
+                - ok
+                title: Error
+        "404":
+          description: Not Found
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                example: "{\"ok\":false,\"message\":\"Error Message\"}"
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  message:
+                    type: string
+                    title: String
+                required:
+                - message
+                - ok
+                title: Error
+      deprecated: false
+      security:
+      - AppDefaultSecurityScheme: []
+  /api/networks/{owner}/{name}/init:
+    post:
+      tags: []
+      parameters:
+      - name: owner
+        in: path
+        required: true
+        deprecated: false
+        explode: false
+        schema:
+          type: string
+          title: String
+      - name: name
+        in: path
+        required: true
+        deprecated: false
+        explode: false
+        schema:
+          type: string
+          title: String
+      responses:
+        "200":
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  data:
+                    type: "null"
+                    title: Unit
+                required:
+                - data
+                - ok
+                title: Success
+        "401":
+          description: Unauthorized
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                example: "{\"ok\":false,\"message\":\"Error Message\"}"
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  message:
+                    type: string
+                    title: String
+                required:
+                - message
+                - ok
+                title: Error
+        "404":
+          description: Not Found
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                example: "{\"ok\":false,\"message\":\"Error Message\"}"
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  message:
+                    type: string
+                    title: String
+                required:
+                - message
+                - ok
+                title: Error
+      deprecated: false
+      security:
+      - AppDefaultSecurityScheme: []
+  /api/networks/{owner}/{name}/clean:
+    post:
+      tags: []
+      parameters:
+      - name: owner
+        in: path
+        required: true
+        deprecated: false
+        explode: false
+        schema:
+          type: string
+          title: String
+      - name: name
+        in: path
+        required: true
+        deprecated: false
+        explode: false
+        schema:
+          type: string
+          title: String
+      responses:
+        "200":
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  data:
+                    type: "null"
+                    title: Unit
+                required:
+                - data
+                - ok
+                title: Success
+        "401":
+          description: Unauthorized
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                example: "{\"ok\":false,\"message\":\"Error Message\"}"
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  message:
+                    type: string
+                    title: String
+                required:
+                - message
+                - ok
+                title: Error
+        "404":
+          description: Not Found
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                example: "{\"ok\":false,\"message\":\"Error Message\"}"
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  message:
+                    type: string
+                    title: String
+                required:
+                - message
+                - ok
+                title: Error
+      deprecated: false
+      security:
+      - AppDefaultSecurityScheme: []
+  /api/users/me:
+    get:
+      tags: []
+      parameters: []
+      responses:
+        "200":
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  data:
+                    $ref: "#/components/schemas/UserResponse"
+                required:
+                - data
+                - ok
+                title: Success
+        "401":
+          description: Unauthorized
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                example: "{\"ok\":false,\"message\":\"Error Message\"}"
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  message:
+                    type: string
+                    title: String
+                required:
+                - message
+                - ok
+                title: Error
+      deprecated: false
+      security:
+      - AppDefaultSecurityScheme: []
+  /api/containers/create:
+    post:
+      tags: []
+      parameters: []
+      requestBody:
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                fullNetworkName:
+                  type: string
+                  example: naotiki/my-nw1
+                  title: String
+              required:
+              - fullNetworkName
+              title: CreateContainerRequest
+        required: false
+      responses:
+        "200":
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  data:
+                    $ref: "#/components/schemas/Container"
+                required:
+                - data
+                - ok
+                title: Success
+        "201":
+          description: Created
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  id:
+                    type: string
+                    format: uuid
+                    title: Uuid
+                  containerId:
+                    type: string
+                    title: DockerId
+                  network:
+                    $ref: "#/components/schemas/Network"
+                  ipAddress:
+                    type: integer
+                    maximum: 4294967295
+                    minimum: 0
+                    title: IPv4Address
+                  hostVEthName:
+                    type:
+                    - "null"
+                    - string
+                    title: NetworkInterfaceName
+                  containerVEthName:
+                    type:
+                    - "null"
+                    - string
+                    title: NetworkInterfaceName
+                required:
+                - containerId
+                - id
+                - ipAddress
+                - network
+                title: Container
+        "401":
+          description: Unauthorized
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                example: "{\"ok\":false,\"message\":\"Error Message\"}"
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  message:
+                    type: string
+                    title: String
+                required:
+                - message
+                - ok
+                title: Error
+        "400":
+          description: Bad Request
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                example: "{\"ok\":false,\"message\":\"Error Message\"}"
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  message:
+                    type: string
+                    title: String
+                required:
+                - message
+                - ok
+                title: Error
+        "500":
+          description: Internal Server Error
+          headers: {}
+          content:
+            application/json:
+              schema:
+                type: object
+                example: "{\"ok\":false,\"message\":\"Error Message\"}"
+                properties:
+                  ok:
+                    type: boolean
+                    title: Boolean
+                  message:
+                    type: string
+                    title: String
+                required:
+                - message
+                - ok
+                title: Error
+      deprecated: false
+      security:
+      - AppDefaultSecurityScheme: []
+components:
+  schemas:
+    UserWithTokenResponse:
+      type: object
+      properties:
+        userId:
+          type: string
+          format: uuid
+          title: Uuid
+        username:
+          type: string
+          title: String
+        token:
+          $ref: "#/components/schemas/Token"
+      required:
+      - token
+      - userId
+      - username
+      title: UserWithTokenResponse
+    Token:
+      type: object
+      properties:
+        token:
+          type: string
+          title: String
+        expiresAt:
+          type: string
+          format: timestamp
+          title: Instant
+      required:
+      - expiresAt
+      - token
+      title: Token
+    Network:
+      type: object
+      properties:
+        id:
+          type: string
+          format: uuid
+          title: Uuid
+        numericId:
+          type: integer
+          maximum: 4294967295
+          minimum: 0
+          title: UInt
+        name:
+          type: string
+          title: String
+        networkAddressWithMask:
+          type: string
+          format: ipv4-cidr
+          example: 10.0.0.0/8
+          title: NetworkAddressWithMask
+        containersNetworkAddressWithMask:
+          type: string
+          format: ipv4-cidr
+          example: 10.0.0.0/8
+          title: NetworkAddressWithMask
+        clientsNetworkAddressWithMask:
+          type: string
+          format: ipv4-cidr
+          example: 10.0.0.0/8
+          title: NetworkAddressWithMask
+        owner:
+          $ref: "#/components/schemas/User"
+        members:
+          type: array
+          items:
+            $ref: "#/components/schemas/NetworkMember"
+          title: ArrayList<NetworkMember>
+        dockerNetworkId:
+          type:
+          - "null"
+          - string
+          title: DockerId#6781840936060560326
+        tunInterfaceName:
+          type:
+          - "null"
+          - string
+          title: NetworkInterfaceName
+        vrfInterfaceName:
+          type:
+          - "null"
+          - string
+          title: NetworkInterfaceName
+        bridgeInterfaceName:
+          type:
+          - "null"
+          - string
+          title: NetworkInterfaceName
+      required:
+      - clientsNetworkAddressWithMask
+      - containersNetworkAddressWithMask
+      - id
+      - members
+      - name
+      - networkAddressWithMask
+      - numericId
+      - owner
+      title: Network
+    User:
+      type: object
+      properties:
+        id:
+          type: string
+          format: uuid
+          title: Uuid
+        username:
+          type: string
+          title: String
+      required:
+      - id
+      - username
+      title: User
+    NetworkMember:
+      type: object
+      properties:
+        user:
+          $ref: "#/components/schemas/User"
+        permission:
+          $ref: "#/components/schemas/Permissions"
+      required:
+      - permission
+      - user
+      title: NetworkMember
+    Permissions:
+      type: string
+      enum:
+      - Owner
+      - Member
+      - Guest
+      title: Permissions
+    UserResponse:
+      type: object
+      properties:
+        id:
+          type: string
+          format: uuid
+          title: Uuid
+        username:
+          type: string
+          title: String
+      required:
+      - id
+      - username
+      title: UserResponse
+    Container:
+      type: object
+      properties:
+        id:
+          type: string
+          format: uuid
+          title: Uuid
+        containerId:
+          type: string
+          title: DockerId
+        network:
+          $ref: "#/components/schemas/Network"
+        ipAddress:
+          type: integer
+          maximum: 4294967295
+          minimum: 0
+          title: IPv4Address
+        hostVEthName:
+          type:
+          - "null"
+          - string
+          title: NetworkInterfaceName
+        containerVEthName:
+          type:
+          - "null"
+          - string
+          title: NetworkInterfaceName
+      required:
+      - containerId
+      - id
+      - ipAddress
+      - network
+      title: Container
+  examples: {}
+  securitySchemes:
+    AppDefaultSecurityScheme:
+      type: http
+      scheme: bearer
diff --git a/server/proto b/server/proto
new file mode 160000
index 0000000..b2e8120
--- /dev/null
+++ b/server/proto
@@ -0,0 +1 @@
+Subproject commit b2e812008b0ad6a29e9503c9f6d6d679b35c87a0