# GHCR へのコンテナイメージ publish
#
# - main push    → ghcr.io/<repo>:latest（リモートサーバー通常運用が追従するタグ）
# - develop push → ghcr.io/<repo>:develop（開発中バイパス用タグ）
# - 各 push に :sha-<short> タグも付与（ロールバック用）
#
# リモートサーバー側の利用方法は README「リモートサーバー / Docker deployment」と
# deploy/docker/aac-update.sh を参照。
name: docker-image

on:
  push:
    branches:
      - main
      - develop
  workflow_dispatch:

permissions:
  contents: read
  packages: write

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

      - uses: actions/setup-node@v4
        with:
          node-version: 22

      - uses: oven-sh/setup-bun@v2
        with:
          bun-version: "1.3.14"

      - name: Build frontend
        working-directory: web
        run: |
          bun install --frozen-lockfile
          bun run build

      - uses: docker/setup-buildx-action@v3

      - uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - uses: docker/metadata-action@v5
        id: meta
        with:
          images: ghcr.io/${{ github.repository }}
          tags: |
            type=raw,value=latest,enable={{is_default_branch}}
            type=ref,event=branch
            type=sha

      - uses: docker/build-push-action@v6
        with:
          context: .
          file: deploy/docker/Dockerfile
          platforms: linux/amd64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max