Add GitHub Action for Docker image build and update CMD

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

@@ -0,0 +1,59 @@
+name: Build & Push Docker Image
+
+on:
+  push:
+    branches: [main]
+    tags: ["v*"]
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+
+env:
+  IMAGE: ghcr.io/${{ github.repository_owner }}/librecrawl
+
+jobs:
+  build-and-push:
+    name: Build & Push to GHCR
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write   # this is all you need — no extra secrets
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to GitHub Container Registry
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.IMAGE }}
+          tags: |
+            type=raw,value=latest,enable={{is_default_branch}}
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=sha,prefix=sha-
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Image digest
+        run: echo "Pushed ${{ steps.meta.outputs.tags }}"

Dockerfile

@@ -67,4 +67,4 @@ ENV PYTHONUNBUFFERED=1
 
 # Run the application
 # The command is handled by docker-compose.yml
-CMD ["python", "main.py"]
+CMD ["python", "main.py", "--local"]