docker-image.yml

name: Build and Push Docker Image

on:
  push:
    tags:
      - '*'

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

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

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

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

      - name: Set repo name to lower case
        id: repo_lc
        uses: ASzc/change-string-case-action@v6
        with:
          string: ${{ github.repository }}

      - name: Extract version from tag
        id: extract_version
        run: echo "VERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV

      - name: Build Docker image
        run: |
          docker build -t ghcr.io/${{ steps.repo_lc.outputs.lowercase }}:${{ env.VERSION }} .

      - name: Push Docker image
        run: |
          docker push ghcr.io/${{ steps.repo_lc.outputs.lowercase }}:${{ env.VERSION }}