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Docker Compose Service Dependency Visualizer

Visualize Docker Compose service dependencies from pasted compose YAML. Extract services, depends_on, links, ports, networks, and generate Mermaid graphs, summaries, JSON, Markdown, CSV, and checklists.

Paste a full docker-compose.yml file or just the services block.

Graph Settings

Extracted from

servicesdepends_onlinksportsnetworksenvironment

Checks

This tool uses practical text parsing for common Compose files. It does not run Docker or validate against every Compose schema detail.

Output

Dependency graph output will appear here.

Visualizing Docker Compose Service Dependencies

Docker Compose files can grow quickly. Once services depend on databases, queues, workers, cache services, and internal networks, it becomes harder to understand startup order and service relationships by reading YAML alone.

This Docker Compose Service Dependency Visualizer extracts services, depends_on entries, legacy links, ports, networks, and environment-based hints, then turns them into summaries, Mermaid graphs, JSON, Markdown, CSV, or review checklists.

Using the Compose Dependency Visualizer

  1. Paste a full docker-compose.yml file or just the services section.
  2. Choose the output format and graph direction.
  3. Enable dependency hints from links or environment URLs if useful.
  4. Review extracted services, dependencies, ports, and warnings.
  5. Copy the summary, Mermaid graph, JSON, Markdown, CSV, or checklist output.

What This Tool Looks For

  • services that define containers in the Compose file.
  • depends_on relationships between services.
  • links as older-style dependency hints.
  • ports that expose service ports to the host.
  • networks used by each service.
  • environment URLs that mention another service name.

Example Mermaid Graph

graph LR
  app --> db
  app --> redis
  worker --> redis

depends_on Does Not Mean Ready

In Compose, dependency order does not always mean the database, cache, or service is fully ready to accept traffic. Apps should still handle retries, connection delays, and readiness checks.

Use this visualizer to understand relationships, then confirm runtime behavior with logs, health checks, and real startup tests.

Frequently Asked Questions

What does a Docker Compose dependency visualizer do?

It extracts Compose services and dependencies so you can understand relationships between app, database, cache, worker, and other services.

Does this run Docker Compose?

No. It only analyzes pasted YAML text in your browser.

Can it generate Mermaid diagrams?

Yes. Choose Mermaid graph output and paste the result into a Markdown tool that supports Mermaid.

Does depends_on wait for the service to be ready?

Not always. Startup order and readiness are different. Use health checks and app retries when needed.

Is anything uploaded when I visualize dependencies?

No. Parsing runs directly in your browser.