# Lapdev Docs > Guides, how-tos, and core concepts for operating Lapdev developer environments on Kubernetes. ## Docs - [App catalog](https://lapdev.mintlify.app/core-concepts/app-catalog.md) - [Branch environment architecture](https://lapdev.mintlify.app/core-concepts/architecture/branch-environment-architecture.md) - [Architecture](https://lapdev.mintlify.app/core-concepts/architecture/index.md) - [Traffic routing architecture](https://lapdev.mintlify.app/core-concepts/architecture/traffic-routing-architecture.md) - [Cluster](https://lapdev.mintlify.app/core-concepts/cluster.md) - [Devbox](https://lapdev.mintlify.app/core-concepts/devbox.md) - [Environment](https://lapdev.mintlify.app/core-concepts/environment.md) - [Preview url](https://lapdev.mintlify.app/core-concepts/preview-url.md) - [Connect your kubernetes cluster](https://lapdev.mintlify.app/how-to-guides/connect-your-kubernetes-cluster.md) - [Create an app catalog](https://lapdev.mintlify.app/how-to-guides/create-an-app-catalog.md) - [Create lapdev environment](https://lapdev.mintlify.app/how-to-guides/create-lapdev-environment.md) - [Local development with devbox](https://lapdev.mintlify.app/how-to-guides/local-development-with-devbox.md) - [Use preview urls](https://lapdev.mintlify.app/how-to-guides/use-preview-urls.md) - [](https://lapdev.mintlify.app/index.md) ## OpenAPI Specs - [openapi](https://lapdev.mintlify.app/api-reference/openapi.json)