Dockerfile Generator

Generate a Dockerfile for common runtimes and build setups.

Processed in your browser — nothing is uploaded

Runtime

Node.js

.NET

Python

Static site

App / assembly name

Port

Multi-stage buildRun as non-root

Dockerfile

# syntax=docker/dockerfile:1
FROM node:22-alpine AS build
WORKDIR /app
COPY package*.json ./
RUN npm ci
COPY . .
RUN npm run build

FROM node:22-alpine AS runtime
ENV NODE_ENV=production
WORKDIR /app
COPY package*.json ./
RUN npm ci --omit=dev
COPY --from=build /app/dist ./dist
USER node
EXPOSE 3000
CMD ["node", "dist/server.js"]

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