Docker Compose Generator

Generate docker-compose.yml files. A browser-based developer tool that runs entirely client-side — no data is sent to our servers, no account required.

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What it does

The Docker Compose Generator is designed for developers who need to generate docker-compose.yml files quickly and accurately, without setting up local tools or depending on third-party services.

Whether you're working in devops & infrastructure or integrating it into a broader development pipeline, this tool saves time and reduces the risk of manual errors. All processing runs in your browser — your data never leaves your machine.

► Containerizing applications for consistent deployment environments
► Building Docker images for production deployments
► Automating build, test, and deployment pipelines

Key features

✓Multi-service configuration with named volumes
✓Environment variable passthrough
✓Port mapping and network configuration
✓Restart policies (always, unless-stopped, on-failure)
✓Dependency ordering with depends_on

Example

Node API + PostgreSQL

Input

Services: api (Node 20, port 3000)
        db (PostgreSQL 16)

Output

version: '3.9'
services:
  api:
    build: .
    ports: ["3000:3000"]
    depends_on: [db]
  db:
    image: postgres:16-alpine
    volumes:
      - pgdata:/var/lib/postgresql/data
volumes:
  pgdata:

How to use it

Open Docker Compose Generator by clicking on it in the Dev-Belt dashboard.
Enter your input in the provided fields — all processing happens instantly in your browser.
Copy the output using the Copy button, or paste it directly into your project.
No sign-in required — the tool is ready to use immediately on page load.

When to use this in your project

Local development environment

Spin up your app, database, and Redis together with one docker compose up — no more running each service manually.

Staging environment setup

Replicate your production topology locally with the same service names and networking your code expects.

CI pipeline services

GitHub Actions and GitLab CI use docker-compose.yml to spin up test dependencies like databases during the test run.

Developer notes

!Use named volumes (not bind mounts) for database data to avoid permission issues on Linux hosts.

!Define healthchecks so depends_on waits for services to actually be ready, not just started.

!Never hardcode secrets in docker-compose.yml — use .env files with --env-file instead.

Privacy & Security

All Dev-Belt tools run 100% in your browser using client-side JavaScript. Your input data is never sent to our servers, never logged, and never stored. This includes code snippets, credentials, tokens, API keys, and any other sensitive information you enter. We only track authentication events for account management — never tool usage, search queries, or input data.

Related keywords

dockerdocker-composedevops

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