Document databases variable and deprecation

docs/configuration.rst

@@ -195,4 +195,24 @@ resolved. This can be used to rely on DNS based service discovery with changing
 When using ``*_ADDRESS``, the hostnames must be full-qualified hostnames. Otherwise nginx will not be able to
 resolve the hostnames.
 
+Database settings
+-----------------
 
+
+The admin service stores configurations in a database.
+
+- ``DB_FLAVOR``: the database type for mailu admin service. (``sqlite``, ``postgresql``, ``mysql``)
+- ``DB_HOST``: the database host for mailu admin service. (when not ``sqlite``)
+- ``DB_PORT``: the database port for mailu admin service. (when not ``sqlite``)
+- ``DB_PW``: the database password for mailu admin service. (when not ``sqlite``)
+- ``DB_USER``: the database user for mailu admin service. (when not ``sqlite``)
+- ``DB_NAME``: the database name for mailu admin service. (when not ``sqlite``)
+
+The roundcube service stores configurations in a database.
+
+- ``ROUNDCUBE_DB_FLAVOR``: the database type for roundcube service. (``sqlite``, ``postgresql``, ``mysql``)
+- ``ROUNDCUBE_DB_HOST``: the database host for roundcube service. (when not ``sqlite``)
+- ``ROUNDCUBE_DB_PORT``: the database port for roundcube service. (when not ``sqlite``)
+- ``ROUNDCUBE_DB_PW``: the database password for roundcube service. (when not ``sqlite``)
+- ``ROUNDCUBE_DB_USER``: the database user for roundcube service. (when not ``sqlite``)
+- ``ROUNDCUBE_DB_NAME``: the database name for roundcube service. (when not ``sqlite``)

docs/database.rst

@@ -8,7 +8,8 @@ This functionality should still be considered experimental!
 Mailu Postgresql
 ----------------
 
-Mailu optionally comes with a pre-configured Postgresql image.
+Mailu optionally comes with a pre-configured Postgresql image, wich as of 1.8 is deprecated
+will be removed in 1.9
 This images has the following features:
 
 - Automatic creation of users, db, extensions and password;