# 构建阶段
FROM node:18-alpine as builder

# 设置工作目录
WORKDIR /app

# 复制package.json和package-lock.json
COPY package*.json ./

# 安装依赖
RUN npm install

# 复制项目文件
COPY . .

# 构建项目
RUN npm run build

# 生产阶段
FROM node:18-alpine

# 设置工作目录
WORKDIR /app

# 复制必要的文件
COPY --from=builder /app/package*.json ./
COPY --from=builder /app/.next ./.next
COPY --from=builder /app/public ./public

# 安装生产依赖
RUN npm install --only=production

# 暴露3000端口
EXPOSE 3000

# 启动生产服务器
CMD ["npm", "start"]