Persist Gitea sessions across deployments

Hop-State: A_06FNB8FT1R0PTP3714DKX4R
Hop-Proposal: R_06FNB8F6MX8E54KXGS48WK8
Hop-Task: T_06FNB715NCG0M3SVDJAGHY8
Hop-Attempt: AT_06FNB715NCK5MKAVH59TE0G

docs/production-deployment.md

@@ -18,6 +18,10 @@ GITEA_DISABLE_REGISTRATION=true
 GITEA_ACTIONS_ENABLED=false
 ```
 
+Keep `GITEA__session__PROVIDER=db` in the Compose service. Gitea otherwise
+defaults to in-memory sessions, which signs every user out whenever the
+container restarts.
+
 Start the services and install the Hop-native Gitea assets:
 
 ```sh