CI.yml

# This is a basic workflow to help you get started with Actions

name: CI

# Controls when the workflow will run
on:
  # Triggers the workflow on push or pull request events but only for the "main" branch
  push:
    branches: [ "main" ]
    paths-ignore:
      - '*.md'

  pull_request:
    branches: [ "main" ]
    paths-ignore:
      - '*.md'

env:
  # Use docker.io for Docker Hub if empty
  REGISTRY: ghcr.io
  # github.repository as <account>/<repo>
  IMAGE_NAME: ${{ github.repository }}

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  # This workflow contains a single job called "build"
  build:
    # The type of runner that the job will run on
    runs-on: ubuntu-latest

    # Steps represent a sequence of tasks that will be executed as part of the job
    steps:
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - uses: actions/checkout@v3

      - name: Bump version and push tag
        if: github.event_name != 'pull_request'
        id: tag_version
        uses: mathieudutour/github-tag-action@v6.0
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}

      # https://github.com/docker/login-action
      - name: Log into registry ${{ env.REGISTRY }}
        if: github.event_name != 'pull_request'
        uses: docker/login-action@28218f9b04b4f3f62068d7b6ce6ca5b26e35336c
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # Extract metadata (tags, labels) for Docker
      # https://github.com/docker/metadata-action
      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=semver,pattern={{version}},value=${{ steps.tag_version.outputs.new_tag }}

      - name: Build and push
        uses: docker/build-push-action@v2
        with:
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

      - name: Update "docker-compose.yaml"
        env: 
          DOCKER_CLIENT_IMAGE:  ${{ fromJSON(steps.meta.outputs.json).tags[0] }}
        run: | 
            (rm -f docker-compose.yaml && envsubst > docker-compose.yaml) < docker-compose.yaml
            cat docker-compose.yaml
            mkdir release
            cp docker-compose.yaml mosquitto.conf telegraf.conf release/
      
      - name: Archive Release
        uses: thedoctor0/zip-release@main
        with:
          type: 'zip'
          path: './release'
          filename: 'release.zip'            

      - name: Create a GitHub release
        if: github.event_name != 'pull_request'
        uses: ncipollo/release-action@v1
        with:
          tag: ${{ steps.tag_version.outputs.new_tag }}
          name: Release ${{ steps.tag_version.outputs.new_tag }}
          body: ${{ steps.tag_version.outputs.changelog }}
          artifacts: "release.zip"
          generateReleaseNotes: true