---
title: Environment variables and configuration
---

# Environment variables and configuration

Configurations can be done with flags or environment variables. The table below outlines all supported options and their respective env vars.

| Flag             | Env Variable           | Default |
| ---------------- | ---------------------- | ------- |
| `--addr`         | `DOZZLE_ADDR`          | `:8080` |
| `--base`         | `DOZZLE_BASE`          | `/`     |
| `--hostname`     | `DOZZLE_HOSTNAME`      | `""`    |
| `--level`        | `DOZZLE_LEVEL`         | `info`  |
| `--filter`       | `DOZZLE_FILTER`        | `""`    |
| `--username`     | `DOZZLE_USERNAME`      | `""`    |
| `--password`     | `DOZZLE_PASSWORD`      | `""`    |
| `--usernamefile` | `DOZZLE_USERNAME_FILE` | `""`    |
| `--passwordfile` | `DOZZLE_PASSWORD_FILE` | `""`    |
| `--no-analytics` | `DOZZLE_NO_ANALYTICS`  | false   |
| `--remote-host`  | `DOZZLE_REMOTE_HOST`   |         |