alerta_alerta/.github/workflows/docker.yml

name: Docker Build and Push

on:
  push:
    branches: [ master, release/* ]

jobs:
  build:
    runs-on: ubuntu-latest
    env:
      REPOSITORY_URL: docker.pkg.github.com
      IMAGE_NAME: ${{ github.repository }}/alerta-api
      SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
    steps:
      - uses: act10ns/slack@v1
        with:
          status: starting
          channel: '#workflows'
        if: always()
      - name: Checkout
        uses: actions/checkout@v2
      - name: Variables
        id: vars
        run: echo "::set-output name=SHORT_COMMIT_ID::$(git rev-parse --short HEAD)"
      - name: Build image
        id: docker-build
        run: >-
          docker build
          -t $IMAGE_NAME
          -t $REPOSITORY_URL/$IMAGE_NAME:${{ steps.vars.outputs.SHORT_COMMIT_ID }}
          -t $REPOSITORY_URL/$IMAGE_NAME:latest .          
      - name: Docker Login
        env:
          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
          DOCKER_PASSWORD: ${{ secrets.GITHUB_TOKEN }}
        run: docker login $REPOSITORY_URL --username "$DOCKER_USERNAME" --password "$DOCKER_PASSWORD"
      - name: Publish Image
        id: docker-push
        run: docker push $REPOSITORY_URL/$IMAGE_NAME

      - uses: act10ns/slack@v1
        with:
          status: ${{ job.status }}
          steps: ${{ toJson(steps) }}
          channel: '#workflows'
        if: always()