Docker Compose Validator - Check YAML Syntax

Validate docker-compose.yml files for syntax errors and structure issues. Check service definitions, networks, volumes. Browser-based validation.

Docker Compose YAML

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Frequently Asked Questions

It validates YAML syntax, required fields like version and services, service structure, port mappings, volume definitions, and common configuration errors.

Versions 2.x and 3.x are fully supported. The validator checks version-specific features and warns about deprecated options.

Missing image or build in services, invalid port mappings, undefined networks or volumes, circular dependencies, and YAML indentation errors.

Yes. It verifies that depends_on references existing services and warns about potential circular dependencies in your service graph.

Both env_file and environment are validated. Variable syntax is checked for proper formatting.

Yes. All validation happens in your browser. No configuration data is sent to any server.

Yes. Network definitions are checked for valid drivers, and services referencing networks are verified against defined networks.

Volume syntax is validated for proper format (source:target:mode). Named volumes are checked against the volumes section.

This tool validates single files. For docker-compose.override.yml, validate each file separately.

Yes. It warns about using 'latest' tags and recommends pinning to specific versions for reproducible deployments.

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