Merge pull request #45 from datastax/auto-docker-push

added GH action to auto push to docker hub

Author: weideng1

.github/workflows/docker-publish.yml

@@ -0,0 +1,53 @@
+name: Build and publish to docker repo
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+    paths:
+      - 'src/**'
+      - 'pom.xml'
+      - 'Dockerfile'
+      - 'LICENSE.md'
+    tags:
+      - 'v*.*.*'
+      - 'v*.*.*-*'
+
+jobs:
+  build_and_publish:
+    name: Build and publish docker image
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out source code
+        uses: actions/checkout@v3
+      # Setup metadata based on the commit/tag that will be used for tagging the image
+      - name: Setup Docker meta
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: |
+            datastax/cassandra-data-migrator
+          flavor: |
+            latest=auto
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}.x
+            type=semver,pattern={{major}}.x
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_HUB_USERNAME }}
+          password: ${{ secrets.DOCKER_HUB_PASSWORD }}
+      - name: Build and push
+        id: docker_build
+        uses: docker/build-push-action@v2
+        with:
+          file: Dockerfile
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          platforms: linux/amd64

.github/workflows/docker-push-sha-commit.yml

@@ -0,0 +1,39 @@
+name: Build and publish commit release to docker repo
+
+on: workflow_dispatch
+
+jobs:
+  build_and_publish:
+    name: Build and publish docker image
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out source code
+        uses: actions/checkout@v3
+      # Setup metadata based on the commit/tag that will be used for tagging the image
+      # Only build and publish a commit based tag
+      - name: Setup Docker meta
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: |
+            datastax/cassandra-data-migrator
+          flavor: |
+            latest=false
+          tags: |
+            type=sha
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_HUB_USERNAME }}
+          password: ${{ secrets.DOCKER_HUB_PASSWORD }}
+      - name: Build and push
+        id: docker_build
+        uses: docker/build-push-action@v2
+        with:
+          file: Dockerfile
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          platforms: linux/amd64