Merge pull request #58 from Amsterdam/refactor-github-action-build-an…

…d-push

Refactored the github action that builds and pushes the docker image to docker hub

.github/workflows/build_and_push_to_docker_hub.yml

@@ -0,0 +1,43 @@
+name: Build Docker image and push to Docker Hub
+
+on:
+  push:
+    branches: [ 'main' ]
+    tags: [ '*.*.*' ]
+
+jobs:
+  build:
+    name: Build a new Docker image for the release (and a latest) and push it to Docker Hub
+    runs-on: ubuntu-latest
+
+    steps:
+      # https://github.com/actions/checkout
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      # https://github.com/docker/login-action
+      - name: Log into Docker Hub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          registry: docker.io
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+
+      # https://github.com/docker/metadata-action
+      - name: Extract Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: docker.io/${{ secrets.DOCKERHUB_IMAGE_NAME }}
+
+      # https://github.com/docker/build-push-action
+      - name: Build and push Docker image
+        if: github.event_name != 'pull_request'
+        id: 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 }}