add a new action to build images on push to dev and main and on creat…

…ing releases

.github/workflows/build-and-push.yaml

@@ -0,0 +1,57 @@
+name: Build and Push Docker Image
+
+on:
+  push:
+    branches:
+      - main
+      - dev
+  release:
+    types: [published]
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    # Sets the permissions granted to the `GITHUB_TOKEN` for the actions in this job.
+    permissions:
+      contents: read
+      packages: write
+    steps:
+
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            # minimal
+            type=pep440,pattern={{version}},value=${{ github.ref_name }},enable=${{ github.event_name == 'release' }}
+            # branch event
+            type=ref,event=branch
+            type=raw,value=latest,enable=${{ github.event_name == 'release' }}
+
+      - name: Build and Push Docker image
+        uses: docker/build-push-action@v4
+        with:
+          # build-args: 
+          context: .
+          push: true
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}