Dockerfile Builder

Generate production-ready Dockerfiles with best practices

Configuration

Smaller final images

Container monitoring

Environment Variables

No environment variables

Build Stages

builder
Intermediate
final
Final

Security best practice

Generated Files

# Builder stage
FROM node:20-alpine AS builder

WORKDIR /app
COPY package*.json .
RUN npm ci --only=production

FROM node:20-alpine

WORKDIR /app
COPY --from=builder /app/ .

EXPOSE 3000

RUN addgroup -g 1001 -S nodejs && adduser -S nodejs -u 1001
USER nodejs

CMD ["node", "server.js"]

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