ci.yaml

name: CI - Build and Push Docker Image

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

jobs:
  build:
    runs-on: ubuntu-latest

    permissions:
      contents: write
      packages: write

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

      - name: Log in to the Container Registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ github.token }}

      - name: Repository to lowercase
        env:
          REPOSITORY: ${{ github.repository }}
        run: |
          echo "IMAGE_NAME=ghcr.io/${REPOSITORY@L}" >> "$GITHUB_ENV"

      - 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 and Push Docker Image
        uses: docker/build-push-action@v3
        with:
          file: Dockerfile
          push: true
          tags: ${{ steps.tags.outputs.tags }}
          cache-from: type=registry,ref=${{ env.IMAGE_NAME }}:buildcache
          cache-to: type=registry,ref=${{ env.IMAGE_NAME }}:buildcache,mode=max