name: Build and Push to GHCR

on:
  push:
    branches:
      - dev
    tags:
      - '*'
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Check out code
        uses: actions/checkout@v3

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Set tag name
        id: set_tag
        run: |
          if [[ $GITHUB_REF == refs/heads/* ]]; then
            echo "::set-output name=tag::$(echo $GITHUB_REF | cut -d'/' -f3)"
          else
            echo "::set-output name=tag::${{ github.ref_name }}"
          fi

      - name: Check if triggered by tag
        id: check_tag
        run: |
          if [[ "${{ github.ref }}" == refs/tags/* ]]; then
            echo "::set-output name=triggered_by_tag::true"
          else
            echo "::set-output name=triggered_by_tag::false"
          fi

      - name: Build and push Docker image for dev branch
        if: steps.check_tag.outputs.triggered_by_tag == 'false'
        uses: docker/build-push-action@v2
        with:
          context: .
          file: ./Dockerfile
          push: true
          tags: ghcr.io/${{ github.repository }}:${{ steps.set_tag.outputs.tag }}

      - name: Build and push Docker image for tags
        if: steps.check_tag.outputs.triggered_by_tag == 'true'
        uses: docker/build-push-action@v2
        with:
          context: .
          file: ./Dockerfile
          push: true
          tags: |
            ghcr.io/${{ github.repository }}:${{ steps.set_tag.outputs.tag }}
            ghcr.io/${{ github.repository }}:latest