Config
Dockerfile Generator
Generate a Dockerfile for your app stack.
FROM node:22-alpine WORKDIR /app COPY package*.json ./ RUN npm ci --omit=dev COPY . . ENV NODE_ENV=production EXPOSE 3000 CMD ["node", "dist/index.js"]
Generated in your browser. Free, nothing is uploaded.
About this tool
Free dockerfile generator tool. Generate a Dockerfile for your app stack. No signup, nothing uploaded.
Frequently asked questions
Is the output safe to use?
It is a conservative starting point — always review it before applying.
Do you need access to my server?
No. Paste the config yourself after reviewing.
Can I customise it?
Set domains, ports and paths in the fields, then edit the output.
Need more than a tool?
HostingSwift runs the servers too — VPS, web hosting, email, DNS and streaming, with a free tier to start.