# syntax=docker/dockerfile:1
# ===============================================================
# iBoard 一体化镜像: 静态前端 (dist/) + Express API (server/) 同进程
# 构建: docker build --build-arg DATABASE_URL=... -t iboard:latest .
#       可选 --build-arg VITE_API_BASE=https://api.example.com 让前端走绝对地址
#       CI 传入 --build-arg PREBUILT_DIST=true 复用 CI 已构建的 dist/ (跳过镜像内前端构建)
# 运行: docker run -d --name iboard -p 3001:3001 -e DATABASE_URL=... iboard:latest
# 需要 BuildKit (cache mount 语法; Docker 23+ 默认开启)
# ===============================================================
FROM node:22-alpine AS builder

WORKDIR /app

# 国内构建时可换源
RUN npm config set registry https://registry.npmmirror.com

# 先拷贝 package 文件, 利用 Docker 缓存
COPY package*.json ./
COPY prisma ./prisma/
COPY prisma.config.ts ./
COPY generated ./generated/

# 装全量依赖 (dev 也装, 后面 prisma generate / 本地构建前端要用)
# cache mount 复用 npm 下载缓存, 不进镜像层
RUN --mount=type=cache,target=/root/.npm npm ci

# 拷贝源码
COPY . .

# 构建 Prisma 客户端
RUN --mount=type=cache,target=/root/.npm npx prisma generate

# 构建前端 (输出到 dist/)
# PREBUILT_DIST=true: CI 已在镜像外构建过 dist/ (供 OTA 打包), 直接复用, 跳过镜像内构建
ARG PREBUILT_DIST=false
# build 时把 VITE_API_BASE 写进 bundle, 默认空 = 走相对路径 /api (同源 Express)
ARG VITE_API_BASE=
ENV VITE_API_BASE=$VITE_API_BASE
RUN if [ "$PREBUILT_DIST" = "true" ]; then \
      test -f dist/index.html || { echo "PREBUILT_DIST=true 但 dist/ 缺失"; exit 1; }; \
    else \
      npm run build; \
    fi

# 运行时阶段
FROM node:22-alpine

WORKDIR /app

# 阿里源加速
RUN npm config set registry https://registry.npmmirror.com

# 只装运行时依赖 (better-sqlite3 是 @powersync/node 的 devOptional peer, 需同时 omit optional 才能跳过)
COPY package*.json ./
RUN --mount=type=cache,target=/root/.npm npm ci --omit=dev --omit=optional

# 拷贝构建产物
COPY --from=builder /app/dist ./dist
COPY --from=builder /app/server ./server
COPY --from=builder /app/generated ./generated
COPY --from=builder /app/prisma ./prisma
COPY --from=builder /app/prisma.config.ts ./prisma.config.ts
COPY --from=builder /app/scripts ./scripts
COPY --from=builder /app/content ./content
COPY --from=builder /app/public ./public

# OTA 升级包: CI (docker-build.yml) 生成的 ota-package/, 随镜像发布
# 本地构建时只有占位文件 (ota-package/README.md), server 找不到 latest.json 则 OTA 返回"无更新"
COPY ota-package ./ota-package
ENV OTA_PACKAGE_DIR=/app/ota-package
# OTA bundle 下载用的绝对 base (manifest.url 必须是绝对 URL, 插件不拼 base, 相对路径会导致下载 0% 失败)
# 生产为 http 明文 (无 https), 客户端 tauri.conf.json 的 hotswap.require_https 已设为 false 放行 http
ENV OTA_PUBLIC_BASE=http://bh.vps.honor3.com:3001

# 健康检查 (端口跟随 PORT 环境变量, 0.2.1 部署为 13001)
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD wget -qO- http://127.0.0.1:${PORT:-3001}/api/health || exit 1

EXPOSE 3001

ENV NODE_ENV=production
ENV PORT=3001

# Node 22 默认未开 strip-types, 显式开启以便加载 generated/prisma/*.ts
CMD ["node", "--experimental-strip-types", "--no-warnings", "server/index.js"]