# Build the site image and push it to this Gitea instance's container
# registry. Registry host and owner come from the instance itself, so the
# same file works on the home Gitea and the VPS Gitea without edits.
#
# Needs one repo secret: REGISTRY_TOKEN, a personal access token for the
# repo owner with package read/write scope.

name: Build image

on:
  push:
    branches: [main]
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest
    env:
      SERVER_URL: ${{ gitea.server_url }}
      OWNER: ${{ gitea.repository_owner }}
      REPO: ${{ gitea.repository }}
      SHA: ${{ gitea.sha }}
    steps:
      - uses: actions/checkout@v4

      - name: Log in to registry
        run: |
          REGISTRY="${SERVER_URL#https://}"
          echo "REGISTRY=$REGISTRY" >> "$GITHUB_ENV"
          echo "IMAGE=$REGISTRY/${REPO,,}" >> "$GITHUB_ENV"
          echo "${{ secrets.REGISTRY_TOKEN }}" | docker login "$REGISTRY" -u "$OWNER" --password-stdin

      - name: Build
        run: docker build -t "$IMAGE:latest" -t "$IMAGE:${SHA::12}" .

      - name: Push
        run: docker push --all-tags "$IMAGE"