feat: add Docker workflow for building and pushing images

.github/workflows/release.yml

@@ -115,3 +115,33 @@ jobs:
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: gh release edit ${{ github.ref_name }} --repo ${{ github.repository }} --draft=false
+
+  docker:
+    needs: publish
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Extract version from tag
+        id: version
+        run: echo "version=${GITHUB_REF_NAME#v}" >> "$GITHUB_OUTPUT"
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          tags: |
+            ${{ secrets.DOCKERHUB_USERNAME }}/dbx:${{ steps.version.outputs.version }}
+            ${{ secrets.DOCKERHUB_USERNAME }}/dbx:latest
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

Dockerfile

@@ -5,7 +5,7 @@ RUN npm i -g pnpm
 COPY package.json pnpm-lock.yaml ./
 RUN pnpm install --frozen-lockfile
 COPY src/ src/
-COPY index.html vite.config.ts tsconfig.json tsconfig.app.json tsconfig.node.json ./
+COPY index.html vite.config.ts tsconfig.json ./
 COPY tailwind.config.* postcss.config.* ./
 RUN pnpm build
 
@@ -24,7 +24,6 @@ RUN cargo build --release -p dbx-web
 
 # Stage 3: Final image
 FROM debian:bookworm-slim
-RUN apt-get update && apt-get install -y ca-certificates && rm -rf /var/lib/apt/lists/*
 COPY --from=backend /app/target/release/dbx-web /usr/local/bin/
 COPY --from=frontend /app/dist /app/static
 ENV DBX_STATIC_DIR=/app/static