name: 'ghcr'

on:
  push:
    branches:
      - "master"
      - "stable"
    tags:
      - 'v*'

jobs:
  build:
    name: 'Build'
    runs-on: ubuntu-latest
    steps:
      - name: "Build:checkout"
        uses: actions/checkout@v2
      - name: "Build:meta"
        id: meta
        uses: docker/metadata-action@v3
        with:
          images: ghcr.io/ergochat/ergo           
      - name: "Build:login"
        uses: docker/login-action@v1
        if: github.event_name != 'pull_request'
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: 'Build:dockerimage'
        uses: docker/build-push-action@v2
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}