Dockerfile Generator

Generate Dockerfiles with a visual builder. Presets for Node.js, Python, Go, Java. Copy or download instantly.

Dockerfile

FROM node:20-alpine

WORKDIR /app

# Install dependencies
COPY package*.json ./
RUN npm ci --only=production

# Copy source code
COPY . .

# Build
RUN npm run build
ENV NODE_ENV=production

EXPOSE 3000

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

About This Tool

Generate Dockerfiles quickly using a visual builder. Start with presets for Node.js, Python, Go, or Java and customize every field. Supports multi-stage builds and environment variables. Copy or download the result instantly.

Frequently Asked Questions

Should I use multi-stage builds?

Multi-stage builds reduce the final image size by separating build dependencies from runtime. Recommended for compiled languages like Go and Java.

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