Free Online Docker Compose Generator
Generate Docker Compose YAML files online. Add services, set images, ports, volumes, and environment variables with a visual builder. Free, instant download.
Service 1: app
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What is Docker Compose Generator?
Docker Compose Generator is a free online tool that helps you create docker-compose.yml files visually. Add services, configure images, ports, environment variables, volumes, and dependencies — then download or copy the generated YAML.
How to Use Docker Compose Generator
- Fill in the service name and Docker image for each service
- Add port mappings (one per line, e.g.
3000:3000) - Add environment variables (one per line, e.g.
NODE_ENV=production) - Click "Add Service" to add more services, then download or copy the YAML
Features
- Add unlimited services with name, image, ports, env vars, volumes, and depends_on
- Real-time YAML preview as you type
- Download as docker-compose.yml or copy to clipboard
- Generates Docker Compose v3.8 format
FAQ
What format should port mappings use?
Use host:container format, one per line. For example: 8080:80 maps host port 8080 to container port 80.
How do I set environment variables?
Enter one variable per line in KEY=value format. For example: DATABASE_URL=postgres://user:pass@db:5432/mydb.
How do I use depends_on?
Enter the names of services this service depends on, one per line. Docker Compose will start those services before this one.