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---
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layout: default
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title: Deployment - Lite
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parent: Deployment
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nav_order: 1
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---
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# Lite Deployment
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**Authelia** can be deployed as a lite setup with minimal external dependencies.
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The setup is called lite because it reduces the number of components in the architecture
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to a reverse proxy such as Nginx, Traefik or HAProxy, Authelia and Redis.
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This setup assumes you have basic knowledge and understanding of IP addresses, DNS and port
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forwarding. You should setup the domain you intend to protect with Authelia to point to your
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external IP address and port forward ports `80` and `443` to the host you plan to host the
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`docker-compose.yml` bundle.
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Port 80 is utilised by LetsEncrypt for certificate challenges, this will [automatically
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provision](https://docs.traefik.io/https/acme/) up-to-date certificates for your domain(s).
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Traefik publishes the respective services with LetsEncrypt provided certificates on port `443`.
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The provided examples protect the Traefik dashboard with Authelia's one-factor auth
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(traefik.example.com) and two instances of the
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[whoami container](https://hub.docker.com/r/traefik/whoami) with Authelia being
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bypassed (public.example.com) and another with it's two-factor auth (secure.example.com).
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If you happen to already have an external SQL instance (MariaDB, MySQL or Postgres) this
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setup can easily be adapted to utilise said [service](../configuration/storage/index.md).
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## Steps
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- `git clone https://github.com/authelia/authelia.git`
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- `cd authelia/examples/compose/lite`
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- Modify the `users_database.yml` the default username and password is `authelia`
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- Modify the `configuration.yml` and `docker-compose.yml` with your respective domains and secrets
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- `docker-compose up -d`
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## Reverse Proxy
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The [Lite bundle](https://github.com/authelia/authelia/blob/master/compose/lite/docker-compose.yml)
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provides pre-made examples with [Traefik2.x](./supported-proxies/traefik2.x.md), you can swap this
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out for any of the [supported proxies](./supported-proxies/index.md).
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## FAQ
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### Can you give more details on why this is not suitable for production environments?
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This documentation gives instructions that will make **Authelia** non
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resilient to failures and non scalable by preventing you from running multiple
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instances of the application. This means that **Authelia** won't be able to distribute
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the load across multiple servers and it will prevent failover in case of a
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crash or an hardware issue.
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