feat: add Docker deployment support

- Add multi-stage Dockerfile for Next.js standalone build
- Add docker-compose.yml with app and MySQL 8.0 services
- Add .dockerignore for optimized builds
- Update next.config.ts with standalone output

.dockerignore

@@ -0,0 +1,61 @@
+# Dependencies
+node_modules
+.npm
+
+# Next.js build output
+.next
+out
+build
+
+# Git
+.git
+.gitignore
+
+# Environment files
+.env
+.env.local
+.env.*.local
+
+# IDE
+.idea
+.vscode
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Test
+coverage
+
+# Docker
+docker-compose*.yml
+Dockerfile*
+.dockerignore
+
+# Data files (keep structure but ignore content)
+data/*
+
+# env.docker (template, not actual env)
+.env.docker
+
+# Misc
+README.md
+AGENTS.md
+*.md
+
+# TypeScript
+*.tsbuildinfo
+next-env.d.ts
+
+# Debug
+npm
+pnpm-lock.yaml
+yarn.lock

Dockerfile

@@ -0,0 +1,43 @@
+# Dockerfile for Recipe Translation Tool
+# Stage 1: Builder
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+# Copy package files
+COPY package.json pnpm-lock.yaml ./
+
+# Install dependencies
+RUN corepack enable && pnpm install --frozen-lockfile
+
+# Copy source code
+COPY . .
+
+# Build the application
+RUN pnpm build
+
+# Stage 2: Runner
+FROM node:20-alpine AS runner
+
+WORKDIR /app
+
+ENV NODE_ENV=production
+
+# Create non-root user
+RUN addgroup --system --gid 1001 nodejs && \
+    adduser --system --uid 1001 nextjs
+
+# Copy built application
+COPY --from=builder /app/public ./public
+COPY --from=builder /app/.next/standalone ./
+COPY --from=builder /app/.next/static ./.next/static
+
+# Set ownership
+USER nextjs
+
+EXPOSE 3000
+
+ENV PORT=3000
+ENV HOSTNAME="0.0.0.0"
+
+CMD ["node", "server.js"]

docker-compose.yml

@@ -0,0 +1,52 @@
+services:
+  app:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: recipe_tool_app
+    restart: unless-stopped
+    ports:
+      - "3000:3000"
+    environment:
+      - NODE_ENV=production
+      - DB_HOST=db
+      - DB_PORT=3306
+      - DB_USER=${DB_USER:-root}
+      - DB_PASSWORD=${DB_PASSWORD:-123456}
+      - DB_NAME=${DB_NAME:-recipe_tools}
+      - AI_API_KEY=${AI_API_KEY}
+      - AI_BASE_URL=${AI_BASE_URL:-https://api.openai.com/v1}
+      - AI_MODEL=${AI_MODEL:-gpt-3.5-turbo}
+    depends_on:
+      db:
+        condition: service_healthy
+    networks:
+      - recipe_network
+
+  db:
+    image: mysql:8.0
+    container_name: recipe_tool_db
+    restart: unless-stopped
+    environment:
+      - MYSQL_ROOT_PASSWORD=${DB_PASSWORD:-123456}
+      - MYSQL_DATABASE=${DB_NAME:-recipe_tools}
+    ports:
+      - "3306:3306"
+    volumes:
+      - mysql_data:/var/lib/mysql
+      # 初始化脚本（可选）
+      # - ./docker/mysql/init.sql:/docker-entrypoint-initdb.d/init.sql
+    healthcheck:
+      test: ["CMD", "mysqladmin", "ping", "-h", "localhost"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+    networks:
+      - recipe_network
+
+networks:
+  recipe_network:
+    driver: bridge
+
+volumes:
+  mysql_data:

next.config.ts

@@ -1,7 +1,7 @@
 import type { NextConfig } from "next";
 
 const nextConfig: NextConfig = {
-  /* config options here */
+  output: "standalone",
 };
 
 export default nextConfig;