feat: Phase 1-3 全部完成 — 沙盒增强、学情分析、学习路径

backend/Dockerfile

@@ -0,0 +1,36 @@
+# Build stage
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+COPY package*.json ./
+RUN npm ci --only=production && cp -R node_modules /prod_modules
+RUN npm ci
+
+COPY tsconfig*.json ./
+COPY src/ ./src/
+
+RUN npm run build && \
+    rm -rf node_modules && \
+    mv /prod_modules node_modules
+
+# Production stage
+FROM node:20-alpine
+
+WORKDIR /app
+
+RUN apk add --no-cache tini
+
+COPY --from=builder /app/dist ./dist
+COPY --from=builder /app/node_modules ./node_modules
+COPY --from=builder /app/package*.json ./
+COPY prisma/ ./prisma/
+
+RUN npx prisma generate
+
+EXPOSE 4000
+
+USER node
+
+ENTRYPOINT ["/sbin/tini", "--"]
+CMD ["node", "dist/main.js"]