docker-publish.yml

name: Publicar Docker en GitHub Packages

on:
  push:
    branches: [ main ]
  release:
    types: [created]

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Convert repository name to lowercase
        run: |
          REPO_LOWER=$(echo "${{ github.repository }}" | tr '[:upper:]' '[:lower:]')
          echo "REPO_LOWER=${REPO_LOWER}" >> $GITHUB_ENV

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: |
            ghcr.io/${{ env.REPO_LOWER }}:latest
            ghcr.io/${{ env.REPO_LOWER }}:${{ github.sha }}