Free Tools/Dockerfile Generator

Dockerfile Generator

Generate Dockerfiles for Node.js, Python, Go and static sites. Includes multi-stage build support.

Stack

Port

Working directory

Multi-stage build (smaller production image)

Dockerfile

# Build stage
FROM node:20-alpine AS builder
WORKDIR /app
COPY package*.json ./
RUN npm ci
COPY . .
RUN npm run build

# Production stage
FROM node:20-alpine AS runner
WORKDIR /app
ENV NODE_ENV=production
COPY --from=builder /app/package*.json ./
RUN npm ci --omit=dev
COPY --from=builder /app/dist ./dist
EXPOSE 3000
CMD ["node", "dist/index.js"]

Developer Tools

Built for developers

Encoders, formatters, validators and generators that run entirely in your browser. Whatever you paste stays on your machine — nothing is sent to a server.

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