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+---
+description: >-
+ This page description all the possible configuration that can be made in the
+ Gateway.
+---
+
+# Frontend
+
+### :toolbox: Options
+
+#### General
+
+| name | type | default | description |
+| -------------------------- | ------------------- | ------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| VERSION | string | "DEV" | Portal frontend's version |
+| INSTANCE\_NAME | string | "HBP MIP" | Instance name of the MIP (visible in the header) |
+| ONTOLOGY\_URL | string \| undefined | undefined | Ontology's URL |
+| DATACATALOGUE\_SERVER | string \| undefined | undefined | Datacatalogue's URL |
+| CONTACT\_LINK | string | http://ebrains.eu/support | Contact URL (support) |
+| EXPERIMENTS\_LIST\_REFRESH | string | "300000" | Time to wait before refresh experiments list in `milliseconds` |
+| GATEWAY\_SERVER | string | none | Indicate the Gateway's endpoint. Used when the Gateway is behind the Frontend (reverse proxy) |
+| EXTERNAL\_MIP\_PROTOCOL | string | https | Indicate the protocol should be forwarded to the Gateway. |
+| ERROR\_LOG\_LEVEL | string | WARN | Level is the minimum level to emit, and is inclusive. Possible levels: DEBUG, INFO, WARN, ERROR, PANIC, and FATAL. See [Caddy logs level](https://caddyserver.com/docs/json/logging/logs/level/). |
+
+#### Matomo
+
+Matomo is an open source alternative to Google Analytics.
+
+| name | type | default | description |
+| ---------------- | ------------------- | --------- | --------------------------------------------------------------------------------------------------- |
+| MATOMO\_ENABLED | boolean | false | Enable or disable Matomo |
+| MATOMO\_URL | string \| undefined | undefined | Base url for matomo scripts and data reporting. This parameter is `required` if Matomo is `enabled` |
+| MATOMO\_SITE\_ID | string \| undefined | undefined | Matomo Website ID. This parameter is required if `Matomo` is `enabled`. |
+
+#### Caddyfile configuration
+
+The frontend container has a simple implementation of Caddyfile, located in `/etc/caddy/Caddyfile`. If you are using Docker compose you can easily overwrite by specifying a volume :
+
+{% code title="docker-compose.yml" %}
+```
+...
+ volumes:
+ - ./path/to/your/Caddyfile:/etc/caddy/Caddyfile
+```
+{% endcode %}