ci: publish Docker images to GHCR on main and releases

.github/workflows/ci.yml

@@ -204,14 +204,14 @@ jobs:
           context: ./backend
           push: false
           tags: wardrowbe/backend:test
-          cache-from: type=gha
-          cache-to: type=gha,mode=max
+          cache-from: type=gha,scope=backend
+          cache-to: type=gha,mode=max,scope=backend
 
       - name: Build frontend image
         uses: docker/build-push-action@v7
         with:
           context: ./frontend
           push: false
           tags: wardrowbe/frontend:test
-          cache-from: type=gha
-          cache-to: type=gha,mode=max
+          cache-from: type=gha,scope=frontend
+          cache-to: type=gha,mode=max,scope=frontend

.github/workflows/docker-publish.yml

@@ -0,0 +1,56 @@
+name: Docker Publish
+
+on:
+  push:
+    branches: [main]
+  release:
+    types: [published]
+
+env:
+  GHCR_REGISTRY: ghcr.io
+
+jobs:
+  publish:
+    name: Publish ${{ matrix.service }}
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - service: backend
+            context: ./backend
+            tag_prefix: backend
+          - service: frontend
+            context: ./frontend
+            tag_prefix: frontend
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v4
+
+      - name: Lowercase image name
+        run: echo "GHCR_IMAGE_NAME=${GITHUB_REPOSITORY,,}" >> $GITHUB_ENV
+
+      - name: Login to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.GHCR_REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v7
+        with:
+          context: ${{ matrix.context }}
+          push: true
+          tags: |
+            ${{ env.GHCR_REGISTRY }}/${{ env.GHCR_IMAGE_NAME }}:${{ matrix.tag_prefix }}-latest
+            ${{ env.GHCR_REGISTRY }}/${{ env.GHCR_IMAGE_NAME }}:${{ matrix.tag_prefix }}-${{ github.sha }}
+          cache-from: type=gha,scope=${{ matrix.service }}
+          cache-to: type=gha,mode=max,scope=${{ matrix.service }}

docker-compose.prod.yml

@@ -38,9 +38,7 @@ services:
 
   # FastAPI Backend
   backend:
-    build:
-      context: ./backend
-      dockerfile: Dockerfile
+    image: ghcr.io/anyesh/wardrowbe:backend-latest
     container_name: wardrobe_backend
     restart: unless-stopped
     extra_hosts:
@@ -91,9 +89,7 @@ services:
 
   # arq Worker for background jobs
   worker:
-    build:
-      context: ./backend
-      dockerfile: Dockerfile
+    image: ghcr.io/anyesh/wardrowbe:backend-latest
     container_name: wardrobe_worker
     restart: unless-stopped
     command: arq app.workers.worker.WorkerSettings
@@ -130,11 +126,7 @@ services:
 
   # Next.js Frontend
   frontend:
-    build:
-      context: ./frontend
-      dockerfile: Dockerfile
-      args:
-        NEXT_PUBLIC_API_URL: ""
+    image: ghcr.io/anyesh/wardrowbe:frontend-latest
     container_name: wardrobe_frontend
     restart: unless-stopped
     extra_hosts:

docker-compose.yml

@@ -35,9 +35,7 @@ services:
 
   # FastAPI Backend
   backend:
-    build:
-      context: ./backend
-      dockerfile: Dockerfile
+    image: ghcr.io/anyesh/wardrowbe:backend-latest
     container_name: wardrobe-backend
     extra_hosts:
       - "host.docker.internal:host-gateway"
@@ -78,9 +76,7 @@ services:
 
   # Next.js Frontend
   frontend:
-    build:
-      context: ./frontend
-      dockerfile: Dockerfile
+    image: ghcr.io/anyesh/wardrowbe:frontend-latest
     container_name: wardrobe-frontend
     environment:
       NEXT_PUBLIC_API_URL: http://backend:8000
@@ -95,9 +91,7 @@ services:
 
 # Background Worker for AI Tagging
   worker:
-    build:
-      context: ./backend
-      dockerfile: Dockerfile
+    image: ghcr.io/anyesh/wardrowbe:backend-latest
     container_name: wardrobe-worker
     command: arq app.workers.worker.WorkerSettings
     extra_hosts: