Added DockerHub action

.github/workflows/docker-registry.yml

@@ -0,0 +1,65 @@
+name: Build and Publish
+
+on:
+  # run it on push to the default repository branch
+  push:
+    branches: [master, develop]
+    # Publish semver tags as releases.
+    tags: [ 'v*.*.*' ]
+  # run it during pull request
+  pull_request:
+
+env:
+  # github.repository as <account>/<repo>
+  IMAGE_NAME: ${{ github.repository }}
+  PLATFORMS: linux/amd64,linux/arm64,linux/arm/v7
+
+jobs:
+  # define job to build and publish docker image
+  build-and-push-docker-image:
+    name: Build Docker image and push to repositories
+    # run only when code is compiling and tests are passing
+    runs-on: ubuntu-latest
+
+    # steps to perform in job
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Set up QEMU
+        id: qemu
+        uses: docker/setup-qemu-action@v1
+        with:
+          image: tonistiigi/binfmt:latest
+          platforms: ${{ env.PLATFORMS }}
+
+      # setup Docker buld action
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      # Extract metadata (tags, labels) for Docker
+      # https://github.com/docker/metadata-action
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        with:
+          images: ${{ env.IMAGE_NAME }}
+      
+      - name: Build image and push to Docker Hub and GitHub Container Registry
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          platforms: ${{ env.PLATFORMS }}
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+      - name: Image digest
+        run: echo ${{ steps.docker_build.outputs.digest }}