Dockerfile

# 多阶段构建
# 第一阶段：构建Next.js应用
FROM --platform=linux/amd64 node:18-alpine AS builder

WORKDIR /app

# 复制package文件
COPY package*.json ./

# 安装依赖
RUN npm ci

# 复制源代码
COPY . .

# 构建应用
RUN npm run build

# 第二阶段：运行环境
FROM --platform=linux/amd64 node:18-alpine AS runner

WORKDIR /app

# 创建非root用户
RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nextjs

# 复制构建产物
COPY --from=builder /app/public ./public
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

# 切换到非root用户
USER nextjs

# 暴露端口
EXPOSE 8100

# 设置环境变量
ENV PORT=8100
ENV HOSTNAME="0.0.0.0"

# 启动应用
CMD ["node", "server.js"]