docker.yml

name: Build docker image

on:
  push:
    tags:
      - "v*"
    branches:
      - "block_any"
  workflow_dispatch:

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build:
    runs-on: ubuntu-20.04

    permissions:
      contents: read
      packages: write

    strategy:
      matrix:
        go-version: [ 1.20.x ]

    outputs:
      tags: ${{ steps.meta.outputs.tags }}

    steps:
      - uses: actions/checkout@v3

      - name: Log in to the Container registry
        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Get repo name
        id: extract_repo_name
        shell: bash
        run: |
          echo "REPO_NAME=$(basename ${{ github.repository }})" >> $GITHUB_ENV

      - name: Generate docker tags/labels from github build context
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=tag
            type=sha,prefix=,enable=true
            type=raw,enable=${{ github.ref == 'refs/heads/develop' }},value=develop
          flavor: |
            latest=${{ startsWith(github.ref, 'refs/tags/') }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v4
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}


  slack-notifications:
    if: ${{ !startsWith(github.ref, 'refs/tags/') && github.event_name != 'workflow_dispatch' }}
    needs: [ build ]
    runs-on: ubuntu-20.04
    steps:
      - name: Slack notification
        env:
          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
        uses: Ilshidur/action-slack@2.0.2
        with:
          args: |
            :done: *${{ github.repository }}* Success building docker image from ${{ github.ref_type }} _${{ github.ref_name }}_ (${{ github.actor }}) :sparkling_heart: ```${{ join(needs.build.outputs.tags, ' ') }}```