Set LDAP uid variable

roles/docker-bigbluebutton/templates/env.j2

@@ -161,6 +161,7 @@ OFFICE365_HD=
 # It is useful for cases when Greenlight is deployed behind a Network Load Balancer or proxy
 OAUTH2_REDIRECT=
 
+{% if applications[application_id].ldap.enabled | bool %}
 # LDAP Login Provider (optional)
 #
 # You can enable LDAP authentication by providing values for the variables below.
@@ -172,23 +173,25 @@ OAUTH2_REDIRECT=
 #   LDAP_SERVER=ldap.example.com
 #   LDAP_PORT=389
 #   LDAP_METHOD=plain
-#   LDAP_UID=uid
+#   LDAP_UID={{ldap.attributes.user_id}}
 #   LDAP_BASE=dc=example,dc=com
 #   LDAP_AUTH=simple
 #   LDAP_BIND_DN=cn=admin,dc=example,dc=com
 #   LDAP_PASSWORD=password
 #   LDAP_ROLE_FIELD=ou
 #   LDAP_FILTER=(&(attr1=value1)(attr2=value2))
-LDAP_SERVER=
-LDAP_PORT=
+LDAP_SERVER="{{ldap.server.domain}}"
+LDAP_PORT="{{ldap.server.port}}"
 LDAP_METHOD=
-LDAP_UID=
-LDAP_BASE=
-LDAP_BIND_DN=
-LDAP_AUTH=
-LDAP_PASSWORD=
+LDAP_UID={{ldap.attributes.user_id}}
+LDAP_BASE="{{ldap.dn.root}}"
+LDAP_BIND_DN="{{ldap.dn.administrator}}"
+LDAP_AUTH=password
+LDAP_PASSWORD="{{ldap.bind_credential}}"
 LDAP_ROLE_FIELD=
 LDAP_FILTER=
+{% endif %}
+
 # ====================================
 # GREENLIGHT CONFIGURATION
 # ====================================