update docker image Github Action for full build and push

.github/workflows/docker-image.yml

@@ -1,18 +1,48 @@
 name: Docker Image CI
-
 on:
   push:
-    branches: [ master ]
+    branches: [ docker ]
   pull_request:
-    branches: [ master ]
+    branches: [ docker ]
-
 jobs:
-
   build:
-
     runs-on: ubuntu-latest
-
     steps:
-    - uses: actions/checkout@v2
+      - name: Get current date
-    - name: Build the Docker image
+        id: date
-      run: docker build . --file Dockerfile --tag flame:$(date +%s)
+        run: echo "::set-output name=date::$(date +'%Y-%m-%d')"
+        
+      - name: Check out the repo
+        uses: actions/checkout@v2
+        
+      - name: Prepare
+        id: prep
+        run: |
+          DOCKER_IMAGE=ghcr.io/fdarveau/cors-anywhere
+          VERSION=latest
+          if [[ $GITHUB_REF == refs/tags/* ]]; then
+            VERSION=${GITHUB_REF#refs/tags/v}
+          fi
+          TAGS="${DOCKER_IMAGE}:latest,${DOCKER_IMAGE}:${{ steps.date.outputs.date }}"
+          echo ::set-output name=tags::${TAGS}
+          
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+        
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+        
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.PAT }}
+          
+      - name: Push to GitHub Packages
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: ${{ steps.prep.outputs.tags }}