PCBZ · PCBZ · Apr 13, 2026
diff --git a/.env.example b/.env.example
@@ -7,6 +7,11 @@ OPENROUTER_API_KEY=sk-or-v1-your-key-here
 # Telegram Bot Token (from @BotFather)
 TELEGRAM_BOT_TOKEN=1234567890:your-token-here
 
+# LINE Messaging API credentials (optional)
+# Channel Access Token + Channel Secret from LINE Developers Console
+LINE_CHANNEL_ACCESS_TOKEN=
+LINE_CHANNEL_SECRET=
+
 # Gateway Token (set any strong password)
 OPENCLAW_GATEWAY_TOKEN=your-secret-gateway-token
 

diff --git a/README.md b/README.md
@@ -8,12 +8,14 @@
 [![OpenRouter](https://img.shields.io/badge/OpenRouter-Free%20Tier-ff6b35?logoColor=white)](https://openrouter.ai)
 [![OpenClaw](https://img.shields.io/badge/OpenClaw-2026-00e5cc?logoColor=white)](https://openclaw.bot)
 [![Telegram](https://img.shields.io/badge/Telegram-Bot-26a5e4?logo=telegram&logoColor=white)](https://telegram.org)
+[![LINE](https://img.shields.io/badge/LINE-Bot-00c300?logo=line&logoColor=white)](https://line.me)
 
-One-command deployment of an [OpenClaw](https://openclaw.bot) AI agent as a Telegram bot on DigitalOcean. After `terraform apply`, the bot is fully operational with no manual SSH steps required.
+One-command deployment of an [OpenClaw](https://openclaw.bot) AI agent on DigitalOcean with Telegram support and optional LINE support. After `terraform apply`, the bot is fully operational with no manual SSH steps required.
 
 ## Features
 
 - Telegram bot with DM and group chat support
+- Optional LINE Messaging API channel
 - Web search via Brave Search (falls back to DuckDuckGo)
 - 8 switchable free LLM models via `/model <alias>`
 - Secrets managed via `.env` — never committed
@@ -26,6 +28,7 @@ One-command deployment of an [OpenClaw](https://openclaw.bot) AI agent as a Tele
 - DigitalOcean account + API token
 - OpenRouter API key
 - Telegram bot token (from [@BotFather](https://t.me/BotFather))
+- LINE channel access token + channel secret (optional)
 
 ## Setup
 
@@ -41,6 +44,8 @@ Edit `.env` and fill in your values:
 |---|---|
 | `OPENROUTER_API_KEY` | From [openrouter.ai/keys](https://openrouter.ai/keys) |
 | `TELEGRAM_BOT_TOKEN` | From [@BotFather](https://t.me/BotFather) |
+| `LINE_CHANNEL_ACCESS_TOKEN` | From LINE Developers Console (optional, enables LINE channel) |
+| `LINE_CHANNEL_SECRET` | From LINE Developers Console (optional, enables LINE channel) |
 | `OPENCLAW_GATEWAY_TOKEN` | Any strong random string |
 | `BRAVE_API_KEY` | From [api.search.brave.com](https://api.search.brave.com) — optional, falls back to DuckDuckGo |
 | `TELEGRAM_OWNER_ID` | Your Telegram user ID from [@userinfobot](https://t.me/userinfobot) — grants `/model` and other privileged commands |

diff --git a/terraform/digitalOcean/.envrc b/terraform/digitalOcean/.envrc
@@ -5,6 +5,8 @@ dotenv ../../.env
 
 export TF_VAR_openrouter_api_key="$OPENROUTER_API_KEY"
 export TF_VAR_telegram_bot_token="$TELEGRAM_BOT_TOKEN"
+export TF_VAR_line_channel_access_token="${LINE_CHANNEL_ACCESS_TOKEN:-}"
+export TF_VAR_line_channel_secret="${LINE_CHANNEL_SECRET:-}"
 export TF_VAR_openclaw_gateway_token="$OPENCLAW_GATEWAY_TOKEN"
 export TF_VAR_brave_api_key="${BRAVE_API_KEY:-}"
 export TF_VAR_telegram_owner_id="${TELEGRAM_OWNER_ID:-}"
diff --git a/terraform/digitalOcean/bootstrap.sh b/terraform/digitalOcean/bootstrap.sh
@@ -86,11 +86,12 @@ cat > /root/.openclaw/openclaw.json << JSONEOF
   "plugins": {
     "load": {
       "paths": [
-        "/usr/lib/node_modules/openclaw/dist/extensions/telegram"
+        "/usr/lib/node_modules/openclaw/dist/extensions/telegram"${line_channel_access_token != "" && line_channel_secret != "" ? ",\n        \"/usr/lib/node_modules/openclaw/dist/extensions/line\"" : ""}
       ]
     },
     "entries": {
       "telegram": { "enabled": true },
+      ${line_channel_access_token != "" && line_channel_secret != "" ? "\"line\": { \"enabled\": true }," : ""}
       "openrouter": { "enabled": true },
       "brave": {
         "enabled": true,
@@ -112,7 +113,7 @@ cat > /root/.openclaw/openclaw.json << JSONEOF
           "groupPolicy": "open"${telegram_owner_id != "" ? ",\n          \"allowFrom\": [\"${telegram_owner_id}\"]" : ""}
         }
       }
-    }
+    }${line_channel_access_token != "" && line_channel_secret != "" ? ",\n    \"line\": {\n      \"enabled\": true,\n      \"accounts\": {\n        \"default\": {\n          \"channelAccessToken\": \"${line_channel_access_token}\",\n          \"channelSecret\": \"${line_channel_secret}\"\n        }\n      }\n    }" : ""}
   }
 }
 JSONEOF
@@ -124,6 +125,8 @@ write_config
 cat > /root/.openclaw/.env << ENVEOF
 OPENROUTER_API_KEY=${openrouter_api_key}
 TELEGRAM_BOT_TOKEN=${telegram_bot_token}
+LINE_CHANNEL_ACCESS_TOKEN=${line_channel_access_token}
+LINE_CHANNEL_SECRET=${line_channel_secret}
 OPENCLAW_GATEWAY_TOKEN=${openclaw_gateway_token}
 BRAVE_API_KEY=${brave_api_key}
 OPENCLAW_ONBOARD_NON_INTERACTIVE=1
@@ -132,12 +135,19 @@ ENVEOF
 # ── 8. Export env vars for subsequent commands ───────────────
 export OPENROUTER_API_KEY=${openrouter_api_key}
 export TELEGRAM_BOT_TOKEN=${telegram_bot_token}
+export LINE_CHANNEL_ACCESS_TOKEN=${line_channel_access_token}
+export LINE_CHANNEL_SECRET=${line_channel_secret}
 export OPENCLAW_GATEWAY_TOKEN=${openclaw_gateway_token}
 export BRAVE_API_KEY=${brave_api_key}
 
 # ── 9. Install Telegram plugin ───────────────────────────────
 openclaw plugins install @openclaw/telegram
 
+# Install LINE plugin when LINE credentials are configured.
+if [ -n "${line_channel_access_token}" ] && [ -n "${line_channel_secret}" ]; then
+  openclaw plugins install @openclaw/line || echo "LINE plugin install skipped (package unavailable in this release)."
+fi
+
 # ── 10. Auto-fix common config issues ────────────────────────
 openclaw doctor --fix || true
 

diff --git a/terraform/digitalOcean/main.tf b/terraform/digitalOcean/main.tf
@@ -14,10 +14,36 @@ provider "digitalocean" {
 # ── SSH Key ──────────────────────────────────────────────────
 
 resource "digitalocean_ssh_key" "openclaw" {
+  count      = var.existing_ssh_key_fingerprint == "" ? 1 : 0
   name       = "openclaw-key"
   public_key = file(var.ssh_public_key_path)
 }
 
+locals {
+  openclaw_ssh_key_fingerprint = var.existing_ssh_key_fingerprint != "" ? var.existing_ssh_key_fingerprint : digitalocean_ssh_key.openclaw[0].fingerprint
+
+  # Build plugin paths based on enabled channels
+  plugin_paths = join(
+    ",\n        ",
+    concat(
+      ["\"/usr/lib/node_modules/openclaw/dist/extensions/telegram\""],
+      var.line_channel_access_token != "" && var.line_channel_secret != "" ? ["\"/usr/lib/node_modules/openclaw/dist/extensions/line\""] : []
+    )
+  )
+
+  # Build plugin entries based on enabled channels
+  plugin_entries = join(
+    "\n      ",
+    concat(
+      ["\"telegram\": { \"enabled\": true },"],
+      var.line_channel_access_token != "" && var.line_channel_secret != "" ? ["\"line\": { \"enabled\": true },"] : []
+    )
+  )
+
+  # Build LINE channel JSON section (empty if not configured)
+  line_channel_json = var.line_channel_access_token != "" && var.line_channel_secret != "" ? ",\n    \"line\": {\n      \"enabled\": true,\n      \"accounts\": {\n        \"default\": {\n          \"channelAccessToken\": \"${var.line_channel_access_token}\",\n          \"channelSecret\": \"${var.line_channel_secret}\"\n        }\n      }\n    }" : ""
+}
+
 # ── Firewall ─────────────────────────────────────────────────
 
 resource "digitalocean_firewall" "openclaw" {
@@ -59,15 +85,20 @@ resource "digitalocean_droplet" "openclaw" {
   region   = var.region
   size     = var.droplet_size
   image    = "ubuntu-24-04-x64"
-  ssh_keys = [digitalocean_ssh_key.openclaw.fingerprint]
+  ssh_keys = [local.openclaw_ssh_key_fingerprint]
 
   user_data = templatefile("${path.module}/bootstrap.sh", {
-    openrouter_api_key     = var.openrouter_api_key
-    telegram_bot_token     = var.telegram_bot_token
-    openclaw_gateway_token = var.openclaw_gateway_token
-    brave_api_key          = var.brave_api_key
-    swap_size              = var.swap_size
-    telegram_owner_id      = var.telegram_owner_id
+    openrouter_api_key        = var.openrouter_api_key
+    telegram_bot_token        = var.telegram_bot_token
+    line_channel_access_token = var.line_channel_access_token
+    line_channel_secret       = var.line_channel_secret
+    openclaw_gateway_token    = var.openclaw_gateway_token
+    brave_api_key             = var.brave_api_key
+    swap_size                 = var.swap_size
+    telegram_owner_id         = var.telegram_owner_id
+    plugin_paths              = local.plugin_paths
+    plugin_entries            = local.plugin_entries
+    line_channel_json         = local.line_channel_json
   })
 }
 

diff --git a/terraform/digitalOcean/terraform.tfvars.example b/terraform/digitalOcean/terraform.tfvars.example
@@ -8,6 +8,9 @@ do_token = "your-digitalocean-api-token"
 # ── SSH ──────────────────────────────────────────────────────
 ssh_public_key_path = "~/.ssh/id_rsa.pub"
 
+# Optional: reuse an existing SSH key in your DO account to avoid duplicate-key errors.
+# existing_ssh_key_fingerprint = "3b:16:bf:e5:8f:89:02:8c:67:63:6a:73:b4:7d:85:4d"
+
 # ── Droplet ──────────────────────────────────────────────────
 # Regions: tor1 (Toronto), sfo3 (San Francisco), nyc3 (New York), sgp1 (Singapore), ams3 (Amsterdam)
 region       = "tor1"
@@ -26,6 +29,8 @@ swap_size    = "3G"
 # ── Secrets ──────────────────────────────────────────────────
 openrouter_api_key     = "sk-or-v1-your-key-here"
 telegram_bot_token     = "1234567890:your-token-here"
+line_channel_access_token = ""
+line_channel_secret    = ""
 openclaw_gateway_token = "your-secret-gateway-token"
 
 # ── Web Search ───────────────────────────────────────────────

diff --git a/terraform/digitalOcean/variables.tf b/terraform/digitalOcean/variables.tf
@@ -9,6 +9,11 @@ variable "ssh_public_key_path" {
   default     = "~/.ssh/id_rsa.pub"
 }
 
+variable "existing_ssh_key_fingerprint" {
+  description = "Existing DigitalOcean SSH key fingerprint to reuse. Leave empty to create a new SSH key from ssh_public_key_path."
+  default     = ""
+}
+
 # ── Droplet ──────────────────────────────────────────────────
 variable "region" {
   description = "DigitalOcean region slug (e.g. tor1, sfo3, nyc3, sgp1, ams3)"
@@ -46,6 +51,18 @@ variable "telegram_bot_token" {
   sensitive = true
 }
 
+variable "line_channel_access_token" {
+  description = "LINE Messaging API channel access token. Leave empty to disable LINE channel."
+  sensitive   = true
+  default     = ""
+}
+
+variable "line_channel_secret" {
+  description = "LINE Messaging API channel secret. Leave empty to disable LINE channel."
+  sensitive   = true
+  default     = ""
+}
+
 variable "openclaw_gateway_token" {
   sensitive = true
 }