first commit

Dockerfile

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+FROM node:20-alpine AS base
+ENV NODE_ENV=production
+WORKDIR /app
+
+COPY package.json package-lock.json* ./
+RUN apk add --no-cache git && npm install --omit=dev
+
+COPY . .
+EXPOSE ${PORT:-3000}
+
+HEALTHCHECK --interval=30s --timeout=5s --retries=3 CMD node -e "require('http').get('http://localhost:'+(process.env.PORT||3000)+'/health',res=>{if(res.statusCode===200)process.exit(0);process.exit(1);}).on('error',()=>process.exit(1))"
+
+CMD ["node", "src/server.js"]