Merge branch 'dockermariadbcnf' into 'master'

DockerMariaDB Config Template

See merge request allianceauth/allianceauth!1668

docker/conf/aa_mariadb.cnf

@@ -0,0 +1,6 @@
+[mariadb]
+# Provided as an Example
+# AA Doesnt use Aria or MyISAM, So these are worth Considering
+
+# aria_pagecache_buffer_size = 16M
+# key_buffer_size = 16M

docker/docker-compose.yml

@@ -49,6 +49,7 @@ services:
     volumes:
       - ./mysql-data:/var/lib/mysql
       - ./setup.sql:/docker-entrypoint-initdb.d/setup.sql
+      - ./conf/aa_mariadb.cnf:/etc/mysql/conf.d/aa_mariadb.cnf
     environment:
       - MYSQL_ROOT_PASSWORD=${AA_DB_ROOT_PASSWORD?err}
       - MARIADB_MYSQL_LOCALHOST_USER=1