[Nextcloud](https://nextcloud.com/) is the most popular self-hosted collaboration solution for tens of millions of users at thousands of organizations across the globe.
## Dependencies
This service requires the following other services:
- a [Postgres](postgres.md) database
- a [Traefik](traefik.md) reverse-proxy server
## Configuration
To enable this service, add the following configuration to your `vars.yml` file and re-run the [installation](../installing.md) process:
In the example configuration above, we configure the service to be hosted at `https://mash.example.com/nextcloud`.
You can remove the `nextcloud_path_prefix` variable definition, to make it default to `/`, so that the service is served at `https://mash.example.com/`.
## Usage
After [installation](../installing.md), you should follow Nextcloud's setup wizard at the URL you've chosen.
You can choose any username/password for your account.
In **Storage & database**, you should choose PostgreSQL (changing the default **SQLite** choice), with the credentials you see after running `just run-tags print-nextcloud-db-credentials`
