> ## Documentation Index
> Fetch the complete documentation index at: https://docs.mythex.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# API backends (Dockerfile → Fly)

> How Mythex publishes container backends — ask for a Dockerfile, preview, then Publish to Fly.

# API backends (Dockerfile → Fly)

For APIs and backends that need a container (Node, Python, C#, Java, etc.):

1. Ask in chat for the stack + **Dockerfile**
2. Preview in your private sandbox
3. **Publish** builds the image and deploys to **Fly** (Mythex handles deploy — you do not configure Fly yourself)

Static front ends may use a different publish path; container backends use Dockerfile → Fly. See [How the tech is chosen](/features/templates).

## Related

* [Multi-service apps](/features/multi-service)
* [REST API backend](/recipes/rest-api-backend)
* [Python backends](/guides/python-backend)
