Implement initial project structure and setup

.github/workflows/publish.yml

@@ -0,0 +1,46 @@
+name: Build and Push Docker Images
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v3
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v2
+
+    - name: Login to GitHub Container Registry
+      uses: docker/login-action@v2
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Build and push backend image
+      uses: docker/build-push-action@v4
+      with:
+        context: ./backend
+        push: true
+        tags: ghcr.io/${{ github.repository_owner }}/songquiz-backend:latest
+        cache-from: type=gha
+        cache-to: type=gha,mode=max
+
+    - name: Build and push frontend image
+      uses: docker/build-push-action@v4
+      with:
+        context: ./frontend
+        push: true
+        tags: ghcr.io/${{ github.repository_owner }}/songquiz-frontend:latest
+        cache-from: type=gha
+        cache-to: type=gha,mode=max