Added Docker Hub release Github Action for tag pushes

.github/workflows/Release-Docker.yml

@@ -0,0 +1,47 @@
+---
+
+name: Build Docker image for latest tag release and push to Dockerhub.
+
+on:
+  # This workflow is run each time a tag is pushed.
+  push:
+    tags:
+      - "[0-9]+.[0-9]+.[0-9]+"
+
+env:
+  DOCKER_ORG: gregjoy
+  DOCKER_REPO: redical
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: set up qemu
+        uses: docker/setup-qemu-action@v2
+
+      - name: set up buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: dockerhub login
+        uses: docker/login-action@v2
+        with:
+          username: ${{secrets.DOCKERHUB_USERNAME}}
+          password: ${{secrets.DOCKERHUB_PASSWORD}}
+
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          push: true
+          tags: ${{env.DOCKER_ORG}}/${{env.DOCKER_REPO}}:${{github.ref_name}}
+
+      - name: Update readme and description
+        uses: christian-korneck/update-container-description-action@v1
+        env:
+          DOCKER_USER: ${{secrets.DOCKERHUB_USERNAME}}
+          DOCKER_PASS: ${{secrets.DOCKERHUB_PASSWORD}}
+        with:
+          destination_container_repo: ${{env.DOCKER_ORG}}/${{env.DOCKER_REPO}}
+          provider: dockerhub
+          short_description: 'A Redis module that facilitates the storage, expansion, and querying of overridable calendar events.'
+          readme_file: 'README.md'