# Duoqi API - Multi-stage Dockerfile
# 阶段 1: 构建依赖
FROM oven/bun:1.3 AS base
WORKDIR /app

# 复制依赖文件
COPY package.json bun.lock ./

# 阶段 2: 安装依赖
FROM base AS install
# 构建阶段需要全部依赖（包括 devDependencies）
RUN bun install --frozen-lockfile

# 阶段 3: 构建应用
FROM base AS build
COPY --from=install /app/node_modules ./node_modules
COPY . .

# 类型检查和编译
RUN bun run typecheck
RUN bun run build

# 阶段 4: 生产镜像
FROM oven/bun:1.3 AS release
WORKDIR /app

# 安装 curl（用于健康检查）
RUN apt-get update && apt-get install -y --no-install-recommends curl && rm -rf /var/lib/apt/lists/*

# oven/bun 镜像已预置 bun 用户 (uid 1001)，直接使用

# 复制生产依赖和构建产物
COPY --from=install /app/node_modules ./node_modules
COPY --from=build /app/dist ./dist
COPY --from=build /app/db ./db
COPY --from=build /app/package.json ./

# 设置权限（bun 用户已存在，使用其默认组）
RUN chown -R bun:bun /app
USER bun

# 暴露端口
EXPOSE 3000

# 健康检查
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
  CMD curl -f http://localhost:3000/health || exit 1

# 启动应用
CMD ["node", "dist/index.js"]