Add publish workflow

Dockerfile

@@ -52,6 +52,13 @@ COPY --from=builder /app/public ./public
 RUN mkdir .next
 RUN chown nextjs:nodejs .next
 
+# Automatically leverage output traces to reduce image size
+# https://nextjs.org/docs/advanced-features/output-file-tracing
+COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
+COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
+
+USER nextjs
+
 EXPOSE 3000
 
 ENV PORT 3000

public/.gitea/workflows/publish.yml

@@ -0,0 +1,33 @@
+name: Docker Build & Publish
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  build:
+    name: Build Docker
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out repository
+        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.DOCKER_HUB_USERNAME }}
+          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
+      
+      - name: Build and push 🏗️
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./Dockerfile
+          push: false
+          # tags: |
+          #   ${{ secrets.DOCKER_HUB_USERNAME}}/{docker_repository}:${{ github.sha }}
+          #   ${{ secrets.DOCKER_HUB_USERNAME}}/{docker_repository}:latest