publish_api.yml

on:
  push:
    branches: ["main"]
    tags: ["v*.*.*"]
    paths:
      - 'backend/**'
      - '.github/workflows/publish_api.yml'

env:
  REGISTRY: ghcr.io

jobs:
  build-and-push-image:
    runs-on: [self-hosted, linux, jammy, x64]
    permissions:
      contents: read
      packages: write

    env:
      IMAGE_NAME: ${{ github.repository }}/api

    steps:
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          config-inline: |
            [registry."docker.io"]
              mirrors = ["https://github-runner-dockerhub-cache.canonical.com:5000"]

      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Log in to the Container registry
        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

      - name: Build and push backend Docker image
        uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
        with:
          context: .
          file: ./backend/Dockerfile.production
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

  build-and-push-charm:
    runs-on: [self-hosted, linux, xlarge, jammy, x64]
    needs: build-and-push-image

    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Upload charm to charmhub
        uses: canonical/charming-actions/upload-charm@2.4.0
        with:
          charm-path: "backend/charm"
          credentials: "${{ secrets.CHARMHUB_TOKEN }}"
          github-token: "${{ secrets.GITHUB_TOKEN }}"