部署docker化

backend/.dockerignore

@@ -0,0 +1,10 @@
+.env
+.env.*
+*.env
+*.log
+node_modules
+dist
+coverage
+.DS_Store
+.idea
+__pycache__

backend/Dockerfile

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+# syntax=docker/dockerfile:1.7
+
+FROM node:24-alpine AS dependencies
+WORKDIR /app
+COPY package*.json ./
+RUN npm ci
+
+FROM dependencies AS build
+COPY tsconfig.json ./
+COPY src ./src
+RUN npm run build
+
+FROM node:24-alpine AS runtime
+WORKDIR /app
+
+ENV NODE_ENV=production \
+    API_HOST=0.0.0.0 \
+    API_PORT=3000
+
+COPY package*.json ./
+RUN npm ci --omit=dev && npm cache clean --force
+
+COPY --from=build /app/dist ./dist
+COPY migrations ./migrations
+COPY scripts ./scripts
+
+EXPOSE 3000
+
+HEALTHCHECK --interval=30s --timeout=5s --start-period=20s --retries=3 \
+  CMD node -e "fetch('http://127.0.0.1:' + (process.env.API_PORT || 3000) + '/auth/session').then(response => process.exit(response.ok ? 0 : 1)).catch(() => process.exit(1))"
+
+CMD ["node", "dist/src/server.js"]