release-docker-image.yml

name: Release Docker Image CI

on:
  push:
    tags:
     - "v*" 

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Branch name
        id: branch_name
        run: |
          echo ::set-output name=SOURCE_NAME::${GITHUB_REF#refs/*/}
          echo ::set-output name=SOURCE_BRANCH::${GITHUB_REF#refs/heads/}
          echo ::set-output name=SOURCE_TAG::${GITHUB_REF#refs/tags/}
      - name: Version
        id: version
        run: |
          VERSION=`echo ${{ steps.branch_name.outputs.SOURCE_TAG }}| sed 's/v//g'`
          echo "version=$VERSION" >> $GITHUB_ENV
      -
        name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@master
      -
        name: Cache Docker layers
        uses: actions/cache@v2
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
           ${{ runner.os }}-buildx-${{ github.sha }}
      -
        name: Login to Docker Hub
        uses: docker/login-action@v1 
        with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
          
      - name: Checkout
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
      -
        name: Build and push Latest
        id: docker_build_latest
        uses: docker/build-push-action@v2
        with:
          context: ./
          file: ./Dockerfile
          builder: ${{ steps.buildx.outputs.name }}
          push: true
          tags:  tonimoreno/snmpcollector:${{env.version}}
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache
      -
        name: Build and push Version
        id: docker_build_version
        uses: docker/build-push-action@v2
        with:
          context: ./
          file: ./Dockerfile
          builder: ${{ steps.buildx.outputs.name }}
          push: true
          tags:  tonimoreno/snmpcollector:latest
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache
 
      -
        name: Image digest
        run: echo ${{ steps.docker_build_version.outputs.digest }}