name: Docker Build

on:
  push:
    branches:
      - master
      - develop
  pull_request:
    branches:
      - master
      - develop

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to Gitea Container Registry
        if: github.event_name == 'push'
        uses: docker/login-action@v3
        with:
          registry: gitea.forkless.com
          username: ${{ secrets.GITEAUSER }}
          password: ${{ secrets.GITEATOKEN }}

      - name: Docker metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: gitea.forkless.com/forkless/mermaid-live-editor
          tags: |
            type=raw,value=latest,enable=${{ github.ref_name == 'master' }}
            type=raw,value=nightly,enable=${{ github.ref_name == 'develop' }}
            type=sha,prefix={{branch}}-

      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          context: .
          target: mermaid
          push: ${{ github.event_name == 'push' }}
          pull: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args: |
            MERMAID_RENDERER_URL=${{ vars.MERMAID_RENDERER_URL || 'https://mermaid.ink' }}
            MERMAID_KROKI_RENDERER_URL=${{ vars.MERMAID_KROKI_RENDERER_URL || 'https://kroki.io' }}