Dockerfile-generator

Genereer Dockerfiles voor Node.js, Python, Go, Java, PHP en Ruby met best-practice multi-stage builds en .dockerignore-suggesties.

Taal / Framework

Node-versie

Pakketbeheerder

Poort

Multi-stage build (aanbevolen voor productie)

Dockerfile

# Stage 1: Build
FROM node:20-alpine AS builder
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci
COPY . .
RUN npm run build

# Stage 2: Production
FROM node:20-alpine AS production
WORKDIR /app
ENV NODE_ENV=production
COPY package.json package-lock.json ./
RUN npm ci --only=production
COPY --from=builder /app/dist ./dist
EXPOSE 3000
USER node
CMD ["node", "dist/index.js"]

.dockerignore

# Version control
.git
.gitignore

# IDE
.vscode
.idea
*.swp
*.swo

# Docker
Dockerfile
docker-compose*.yml
.dockerignore

# CI/CD
.github
.gitlab-ci.yml

# Documentation
README.md
LICENSE
docs/

# Node.js
node_modules
npm-debug.log*
yarn-debug.log*
yarn-error.log*
.env
.env.*
dist
coverage
.nyc_output

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Meer informatie

Dockerfile Generator: Create Optimized Container Images

Generate production-ready Dockerfiles with multi-stage builds, proper layer caching, and security best practices.

Why Use a Dockerfile Generator

Writing a Dockerfile from scratch requires knowing the right base image, the correct order of instructions, and dozens of best practices for layer caching, security, and image size. A single misplaced COPY instruction can invalidate your entire build cache, and a missing multi-stage build can balloon your production image to gigabytes. For teams shipping containers daily, these details matter enormously.

5 min lezenLees de volledige gids

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