feat: add Github Action to build the image

.github/workflows/build-and-push.yml

@@ -0,0 +1,45 @@
+name: Build and Push to GHCR
+
+on:
+  push:
+    branches: [main]
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}/cactoide
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./Dockerfile
+          push: ${{ github.event_name != 'pull_request' }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          platforms: linux/amd64,linux/arm64
+
+      - name: Output image info
+        if: github.event_name != 'pull_request'
+        run: |
+          echo "Image: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}"

.github/workflows/test.yml

@@ -0,0 +1,41 @@
+name: Test and Build
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: ['**']
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run type checking
+        run: npm run check
+
+      - name: Run linting
+        run: npm run lint
+
+      - name: Build application
+        run: npm run build
+
+      - name: Test build output
+        run: |
+          if [ ! -d "build" ]; then
+            echo "Build directory not found!"
+            exit 1
+          fi
+          echo "Build successful! Build directory exists."