# Explanations

Background knowledge covering architecture, design decisions, and how the
system works.

## Architecture

```{toctree}
:maxdepth: 1

explanations/architecture
explanations/gitops-flow
explanations/kubernetes-services
explanations/ansible-roles
```

## Networking & Security

```{toctree}
:maxdepth: 1

explanations/networking
explanations/network-policies
explanations/security
explanations/security-hardening
```

## Open Brain

```{toctree}
:maxdepth: 1

explanations/open-brain-clients
```

## Decisions

```{toctree}
:maxdepth: 1

explanations/decisions
```