Create docker-publish.yml

Author: Rub21

.github/workflows/docker-publish.yml

@@ -0,0 +1,50 @@
+name: Build Docker Image, Push to GHCR
+
+on:
+  push:
+    branches: [ "main", "ohm"]
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: openhistoricalmap/osmcha-frontend
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    # Enable BuildKit for docker builds. This enables building
+    # multi-platform images and exporting the layer cache
+    # https://github.com/docker/setup-buildx-action
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+
+    # https://github.com/docker/login-action
+    - name: Login to Registry ${{ env.REGISTRY }}
+      uses: docker/login-action@v3
+      with:
+        registry: ${{ env.REGISTRY }}
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    # Extract metadata (tags, labels) for Docker
+    # https://github.com/docker/metadata-action
+    - name: Extract Docker metadata
+      id: meta
+      uses: docker/metadata-action@v5
+      with:
+        images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+    # https://github.com/docker/build-push-action
+    - name: Build and push Docker image
+      uses: docker/build-push-action@v5
+      with:
+        context: .
+        push: true
+        tags: ${{ steps.meta.outputs.tags }}
+        labels: ${{ steps.meta.outputs.labels }}
+        cache-from: type=gha
+        cache-to: type=gha,mode=max