Documented DockerHub push from GH Actions Marketplace

.github/workflows/ci.yml

@@ -127,25 +127,26 @@ jobs:
     needs: [jest, tox]
     if: github.ref == 'refs/heads/deploy/release'
     steps:
-      - name: Check out the repo
-        uses: actions/checkout@v2
-      
-      - name: Log in to Docker Hub
-        uses: docker/login-action@v1
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      -
+        name: Login to DockerHub
+        uses: docker/login-action@v1 
         with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
-      
-      - name: Extract metadata (tags, labels) for Docker
-        id: meta
-        uses: docker/metadata-action@v2
-        with:
-          images: jaedb/iris
-      
-      - name: Build and push Docker image
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      -
+        name: Build and push
         uses: docker/build-push-action@v2
         with:
           context: .
           push: true
+          tags:
+            - jaedb/iris:latest
+            - '*'
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}