name: Build container

on:
  schedule:
    - cron: '0 12 * * *'
      timezone: Europe/Berlin
  workflow_dispatch:

enable-email-notifications: true

env:
  BUILDKITD_FLAGS: --oci-worker-no-process-sandbox
  REGISTRY_URL: git.sb20.xengi.de
  REGISTRY_TAG: latest

jobs:
  build:
    runs-on: buildkit
    name: Build container
    steps:
      - name: Check out the repository
        run: git clone ${{ env.FORGEJO_SERVER_URL }}/${{ env.FORGEJO_REPOSITORY }} .
      - name: Setup buildkit
        run: |
          mkdir -p ~/.docker
          echo "{\"auths\":{\"${{ env.REGISTRY_URL }}\":{\"username\":\"${{ env.FORGEJO_REPOSITORY_OWNER }}\",\"password\":\"${{ secrets.REGISTRY_TOKEN }}\"}}}" > ~/.docker/config.json
      - name: Build container
        run: |
          export CREATED=$(date -Iseconds)
          sed -i "s/%%CREATED%%/$CREATED/" Dockerfile
          sed -i "s/%%COMMIT%%/${{ env.FORGEJO_SHA }}/" Dockerfile
          buildctl-daemonless.sh build \
            --frontend dockerfile.v0 \
            --local context=./ \
            --local dockerfile=./ \
            --output type=image,name=${{ env.REGISTRY_URL }}/${{ env.FORGEJO_REPOSITORY }}:${{ env.REGISTRY_TAG }},push=true
      - name: Send notification
        if: ${{ failure() }}
        run: |
          curl -s \
          --form-string "token=${{ secrets.PUSHOVER_API_TOKEN }}" \
          --form-string "user=${{ secrets.PUSHOVER_USER_KEY }}" \
          --form-string "message=Building mdns-reflector container failed." \
          https://api.pushover.net/1/messages.json