docker-build.yml

name: Build/Push Docker Image to ghcr

on:
  workflow_dispatch:
    inputs:
      docker_tag:
        description: "Docker tag to use"
        required: true
        default: "latest"

permissions:
  contents: read
  packages: write

jobs:
  build_and_push:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

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

      - 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 Docker image tag
        id: vars
        run: |
          if [ "${{ github.event_name }}" == "release" ]; then
            echo "TAG=${{ github.event.release.tag_name }}" >> $GITHUB_ENV
          elif [ "${{ github.event_name }}" == "workflow_dispatch" ]; then
            echo "TAG=${{ github.event.inputs.docker_tag }}" >> $GITHUB_ENV
          else
            echo "In case of manual trigger, docker tag must be present. Workflow failed."
            exit 1
          fi

      - name: Build and push Docker image
        uses: docker/build-push-action@v4
        with:
          context: .
          file: ./Dockerfile
          push: true
          tags: ghcr.io/${{ github.repository_owner }}/${{ github.event.repository.name }}:${{ env.TAG }}