* `avatar_upload_limit`: File size limit of user’s profile avatars
* `background_upload_limit`: File size limit of user’s profile backgrounds
* `banner_upload_limit`: File size limit of user’s profile banners
+* `poll_limits`: A map with poll limits for **local** polls
+ * `max_options`: Maximum number of options
+ * `max_option_chars`: Maximum number of characters per option
+ * `min_expiration`: Minimum expiration time (in seconds)
+ * `max_expiration`: Maximum expiration time (in seconds)
* `registrations_open`: Enable registrations for anyone, invitations can be enabled when false.
* `invites_enabled`: Enable user invitations for admins (depends on `registrations_open: false`).
* `account_activation_required`: Require users to confirm their emails before signing in.
* `auth_template`: authentication form template. By default it's `show.html` which corresponds to `lib/pleroma/web/templates/o_auth/o_auth/show.html.eex`.
* `oauth_consumer_template`: OAuth consumer mode authentication form template. By default it's `consumer.html` which corresponds to `lib/pleroma/web/templates/o_auth/o_auth/consumer.html.eex`.
-* `oauth_consumer_strategies`: the list of enabled OAuth consumer strategies; by default it's set by OAUTH_CONSUMER_STRATEGIES environment variable.
+* `oauth_consumer_strategies`: the list of enabled OAuth consumer strategies; by default it's set by OAUTH_CONSUMER_STRATEGIES environment variable. Each entry in this space-delimited string should be of format `<strategy>` or `<strategy>:<dependency>` (e.g. `twitter` or `keycloak:ueberauth_keycloak_strategy` in case dependency is named differently than `ueberauth_<strategy>`).
## OAuth consumer mode