matrix-docker-ansible-deploy/docs/configuring-playbook-synapse-admin.md

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# Setting up Synapse Admin (optional)
The playbook can install and configure [synapse-admin](https://github.com/Awesome-Technologies/synapse-admin) for you.
It's a web UI tool you can use to **administrate users and rooms on your Matrix server**. It's designed to work with the Synapse homeserver implementation, but to some extent may work with [Dendrite](./configuring-playbook-dendrite.md) as well.
See the project's [documentation](https://github.com/Awesome-Technologies/synapse-admin) to learn what it does and why it might be useful to you.
## Adjusting the playbook configuration
Add the following configuration to your `inventory/host_vars/matrix.DOMAIN/vars.yml` file:
```yaml
matrix_synapse_admin_enabled: true
```
**Note**: Synapse Admin requires Synapse's [Admin APIs](https://matrix-org.github.io/synapse/latest/usage/administration/admin_api/index.html) to function. Access to them is restricted with a valid access token, so exposing them publicly should not be a real security concern. Still, for additional security, we normally leave them unexposed, following [official Synapse reverse-proxying recommendations](https://github.com/matrix-org/synapse/blob/master/docs/reverse_proxy.md#synapse-administration-endpoints). Because Synapse Admin needs these APIs to function, when installing Synapse Admin, the playbook **automatically** exposes the Synapse Admin API publicly for you. Depending on the homeserver implementation you're using (Synapse, Dendrite), this is equivalent to:
- for Synapse (our default homeserver implementation): `matrix_synapse_container_labels_client_synapse_admin_api_enabled: true`
- for [Dendrite](./configuring-playbook-dendrite.md): `matrix_dendrite_container_labels_client_synapse_admin_api_enabled: true`
## Installing
After configuring the playbook, run the [installation](installing.md) command again:
```
ansible-playbook -i inventory/hosts setup.yml --tags=setup-all,start
```
## Usage
After installation, Synapse Admin will be accessible at: `https://matrix.DOMAIN/synapse-admin/`
To use Synapse Admin, you need to have [registered at least one administrator account](registering-users.md) on your server.
The Homeserver URL to use on Synapse Admin's login page is: `https://matrix.DOMAIN`
### Sample configuration for running behind Caddy v2
Below is a sample configuration for using this playbook with a [Caddy](https://caddyserver.com/v2) 2.0 reverse proxy (non-default configuration where `matrix-nginx-proxy` is disabled - `matrix_nginx_proxy_enabled: false`).
```caddy
# This is a basic configuration that will function the same as the default nginx proxy - exposing the synapse-admin panel to matrix.YOURSERVER.com/synapse-admin/
handle_path /synapse-admin* {
reverse_proxy localhost:8766 {
}
}
```