X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=doc%2Fhtconfig.md;h=4743da444cb95aaabc705c7ed8f3eb0f6a667af3;hb=1c7f4e3c6331f8ad7b1987f33a17074908ad41eb;hp=977bf1dbcc096be124af8d07d3444e7d2fee1a91;hpb=9d5abaca1cc3fbff47cd0e907fff08b9ccb72bec;p=friendica.git

diff --git a/doc/htconfig.md b/doc/htconfig.md
index 977bf1dbcc..4743da444c 100644
--- a/doc/htconfig.md
+++ b/doc/htconfig.md
@@ -15,7 +15,7 @@ Especially don't do that with undocumented values.
 The header of the section describes the category, the value is the parameter.
 Example: To set the automatic database cleanup process add this line to your .htconfig.php:
 
-    $a->config['system']['dbclean'] = true;
+    $a->config['system']['always_show_preview'] = true;
 
 ## jabber ##
 * **debug** (Boolean) - Enable debug level for the jabber account synchronisation.
@@ -37,8 +37,6 @@ Example: To set the automatic database cleanup process add this line to your .ht
 * **db_loglimit_index** - Number of index rows needed to be logged for indexes on the watchlist
 * **db_loglimit_index_high** - Number of index rows to be logged anyway (for any index)
 * **db_log_index_blacklist** - Blacklist of indexes that shouldn't be watched
-* **dbclean** (Boolean) - Enable the automatic database cleanup process
-* **dbclean-expire-days** (Integer) - Days after which remote items will be deleted. Own items, and marked or filed items are kept.
 * **diaspora_test** (Boolean) - For development only. Disables the message transfer.
 * **disable_email_validation** (Boolean) - Disables the check if a mail address is in a valid format and can be resolved via DNS.
 * **disable_url_validation** (Boolean) - Disables the DNS lookup of an URL.
@@ -126,3 +124,11 @@ The configuration variables db_host, db_user, db_pass and db_data are holding yo
 If you need to specify a port to access the database, you can do so by appending ":portnumber" to the db_host variable.
 
     $db_host = 'your.mysqlhost.com:123456';
+
+If all of the following environment variables are set, Friendica will use them instead of the previously configured variables for the db:
+
+    MYSQL_HOST
+    MYSQL_PORT
+    MYSQL_USERNAME
+    MYSQL_PASSWORD
+    MYSQL_DATABASE