Study - Data analytics with posthog

[MarcWadai]

Check what needs to be added / implemented if we want to activate / have a posthog server to collect data.

For web config : https://github.com/element-hq/element-web/blob/develop/docs/config.md#analytics

[odelcroi]

Needs review from :

• security (RSSI)
• infra (where to deploy it)
• backend (how to configure it)

[MarcWadai]

On element side, implementation was done to send some analytics during UTD, which can be useful for us too.
On frontend side, to activate the feature we need to add those 2 lines on the config file :
"posthog": { "project_api_key": " "api_host": "" },

This is generate a prompt for a user asking if he agree or not to send some analytics :

Et on retrouve dans les paramètres de vie privée :

[MarcWadai]

Pour une uniformisations des events remonté par l'outil d'analytics, il y a cette doc matrix :
https://github.com/matrix-org/matrix-analytics-events