feat：添加Docker构建脚本

Dockerfile

@@ -0,0 +1,19 @@
+# ===== 构建阶段 =====
+FROM node:18-bullseye AS builder
+WORKDIR /app
+COPY package*.json ./
+RUN npm install --legacy-peer-deps
+COPY . .
+RUN npx next build
+# ===== 运行阶段 =====
+FROM node:18-bullseye AS runner
+WORKDIR /app
+ENV NODE_ENV=production
+COPY --from=builder /app/package.json ./
+COPY --from=builder /app/node_modules ./node_modules
+COPY --from=builder /app/.next ./.next
+EXPOSE 3000
+HEALTHCHECK --interval=30s --timeout=5s --retries=3 \
+  CMD wget -qO- http://localhost:3000 || exit 1
+CMD ["npm", "start"]
+

docker-compose.yml

@@ -0,0 +1,7 @@
+services:
+  app:
+    build: .
+    ports:
+      - "3000:3000"
+    restart: always
+