From 2ba6ab854b6543bd9e069e04a6d2c1c5b50221f8 Mon Sep 17 00:00:00 2001
From: PunGrumpy <108584943+PunGrumpy@users.noreply.github.com>
Date: Sun, 12 Jul 2026 00:01:29 +0700
Subject: [PATCH 1/4] fix(core): add dockerignores to ProjectInfo type
 definition

---
 packages/core/src/types/index.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/core/src/types/index.ts b/packages/core/src/types/index.ts
index a33267a..eec85e7 100644
--- a/packages/core/src/types/index.ts
+++ b/packages/core/src/types/index.ts
@@ -18,6 +18,7 @@ export interface Diagnostic {
 export interface ProjectInfo {
   dockerfiles: string[];
   composeFiles: string[];
+  dockerignores?: string[];
 }
 
 export interface DiagnoseResult {

From 1fde3649086aa9f93d89a1f12db829b472af9f85 Mon Sep 17 00:00:00 2001
From: PunGrumpy <108584943+PunGrumpy@users.noreply.github.com>
Date: Sun, 12 Jul 2026 00:02:09 +0700
Subject: [PATCH 2/4] fix(core): track .dockerignore in discoverProject

---
 packages/core/src/project-info/discover.ts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/packages/core/src/project-info/discover.ts b/packages/core/src/project-info/discover.ts
index afd69a5..7a2dfa8 100644
--- a/packages/core/src/project-info/discover.ts
+++ b/packages/core/src/project-info/discover.ts
@@ -36,10 +36,15 @@ export const discoverProject = async (
   const allFiles = await walk(rootDir);
   const dockerfiles: string[] = [];
   const composeFiles: string[] = [];
+  const dockerignores: string[] = [];
 
   for (const file of allFiles) {
     const base = path.basename(file).toLowerCase();
 
+    if (base === ".dockerignore") {
+      dockerignores.push(path.relative(rootDir, file));
+    }
+
     // Match Dockerfile, Dockerfile.*, *.dockerfile
     if (
       base === "dockerfile" ||
@@ -65,5 +70,6 @@ export const discoverProject = async (
   return {
     composeFiles,
     dockerfiles,
+    dockerignores,
   };
 };

From 54dd50b9746756bf8b4fe99b65b0b6480972bc51 Mon Sep 17 00:00:00 2001
From: PunGrumpy <108584943+PunGrumpy@users.noreply.github.com>
Date: Sun, 12 Jul 2026 00:03:49 +0700
Subject: [PATCH 3/4] fix(cli): include dockerignores in CLI projectFilesList
 and extract filterDiagnostics

---
 packages/docker-doctor/src/cli.ts | 37 ++++++++++++++++++++-----------
 1 file changed, 24 insertions(+), 13 deletions(-)

diff --git a/packages/docker-doctor/src/cli.ts b/packages/docker-doctor/src/cli.ts
index 5acabe0..ff76aeb 100644
--- a/packages/docker-doctor/src/cli.ts
+++ b/packages/docker-doctor/src/cli.ts
@@ -338,6 +338,25 @@ const runRulesEngine = async (
   return diagnostics;
 };
 
+const filterDiagnostics = (
+  diagnostics: Diagnostic[],
+  categories?: Record<string, RuleSeverity>
+): Diagnostic[] => {
+  if (!categories) {
+    return diagnostics;
+  }
+  return diagnostics.filter((d) => {
+    const ruleDef = findRule(d.rule);
+    if (ruleDef) {
+      const catSeverity = categories[ruleDef.category];
+      if (catSeverity === "off") {
+        return false;
+      }
+    }
+    return true;
+  });
+};
+
 const program = new Command();
 
 program
@@ -417,6 +436,7 @@ program
         const projectFilesList = [
           ...project.dockerfiles,
           ...project.composeFiles,
+          ...(project.dockerignores || []),
         ];
 
         const diagnostics = await runRulesEngine(
@@ -430,19 +450,10 @@ program
         );
 
         // Filter by category config if needed
-        let filteredDiagnostics = diagnostics;
-        if (config.categories) {
-          filteredDiagnostics = diagnostics.filter((d) => {
-            const ruleDef = findRule(d.rule);
-            if (ruleDef) {
-              const catSeverity = config.categories?.[ruleDef.category];
-              if (catSeverity === "off") {
-                return false;
-              }
-            }
-            return true;
-          });
-        }
+        const filteredDiagnostics = filterDiagnostics(
+          diagnostics,
+          config.categories
+        );
 
         // Calculate score
         const { score, label } = calculateScore(filteredDiagnostics);

From 611545a644ada2273e227ebea5f99a3754e380ea Mon Sep 17 00:00:00 2001
From: PunGrumpy <108584943+PunGrumpy@users.noreply.github.com>
Date: Sun, 12 Jul 2026 00:46:12 +0700
Subject: [PATCH 4/4] chore(changeset): add changeset for .dockerignore
 validation fix

---
 .changeset/fix-dockerignore-validation.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/fix-dockerignore-validation.md

diff --git a/.changeset/fix-dockerignore-validation.md b/.changeset/fix-dockerignore-validation.md
new file mode 100644
index 0000000..1630b6e
--- /dev/null
+++ b/.changeset/fix-dockerignore-validation.md
@@ -0,0 +1,5 @@
+---
+"@docker-doctor/cli": patch
+---
+
+Fix workspace discovery to correctly track and validate `.dockerignore` files, resolving false-positive warnings in the `useDockerignore` performance rule.