name: Image Build Probe

on:
  push:
    paths:
      - ".forgejo/workflows/image-build.yaml"
      - "Dockerfile"
  workflow_dispatch:

env:
  REGISTRY: forgejo.coulomb.social
  IMAGE_NAME: coulomb/forgejo-actions-probe
  DOCKER_HOST: tcp://127.0.0.1:2375

jobs:
  image-build:
    runs-on: container-build
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install docker CLI (static binary)
        run: |
          set -eu
          mkdir -p "${HOME}/bin"
          wget -qO- https://download.docker.com/linux/static/stable/x86_64/docker-27.3.1.tgz             | tar xz --strip-components=1 -C "${HOME}/bin" docker/docker
          echo "${HOME}/bin" >> "${GITHUB_PATH}"
          "${HOME}/bin/docker" version

      - name: Login to Forgejo registry
        run: |
          set -eu
          echo "${{ secrets.REGISTRY_TOKEN }}" | docker login "${REGISTRY}"             -u "${{ secrets.REGISTRY_USER }}" --password-stdin

      - name: Build and push
        run: |
          set -eu
          TAG="${GITHUB_SHA:-manual}"
          SHORT="${TAG:0:7}"
          IMAGE="${REGISTRY}/${IMAGE_NAME}"
          docker build -t "${IMAGE}:latest" -t "${IMAGE}:${SHORT}" .
          docker push "${IMAGE}:latest"
          docker push "${IMAGE}:${SHORT}"
          echo "pushed ${IMAGE}:latest and ${IMAGE}:${SHORT}"