build-api.yaml

name: Build API Image

on:
  workflow_dispatch:
  push:
    branches:
      - main
    tags:
      - 'v*'

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

jobs:
  build:
    name: Build
    runs-on: ubuntu-latest

    permissions:
      contents: write
      packages: write

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

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Gather tags name
        env:
          IMAGE_NAME: ${{ env.IMAGE_NAME }}
          SHA: ${{ github.sha }}
          REF: ${{ github.ref }}
        id: tags
        run: |
          RESULT="$IMAGE_NAME:latest,$IMAGE_NAME:$SHA"

          case "$REF" in
          refs/tags/v*)
              RESULT="${RESULT},$IMAGE_NAME:${REF#refs/tags/v}"
          ;;
          esac

          echo "tags = $RESULT"
          echo "tags=$RESULT" >> "$GITHUB_OUTPUT"

      - name: Build Docker image with multiple tags
        run: |
          tags="${{ steps.tags.outputs.tags }}"
          for tag in $(echo $tags | tr ',' '\n'); do
            docker build . -t ghcr.io/$tag -f ./apps/api/Dockerfile
          done

      - name: Push Docker image to GitHub Container Registry
        run: |
          tags="${{ steps.tags.outputs.tags }}"
          for tag in $(echo $tags | tr ',' '\n'); do
            docker push ghcr.io/$tag
          done