feat: add support for additional mysql args

VERSION.txt

@@ -1 +1 @@
-v0.2.34-beta
+v0.2.35-beta

docs/customization/database.md

@@ -5,7 +5,16 @@ You can change the DB Server Character Set or Collation in the `.env` file:
 * `MYSQL_CHARACTER_SET_SERVER=utf8mb4`
 * `MYSQL_COLLATION_SERVER=utf8mb4_unicode_ci`
 
+To configure InnoDB Buffer Pool size, add the following line to the `.env` file:
+
+* `MYSQL_INNODB_BUFFER_POOL_SIZE=256m`
+
 To disable Strict Mode in MySQL you will have to add the following line to the `.env` file:
 
 * `MYSQL_DISABLE_STRICT_MODE=1`
 
+You can also set additional arguments to `mysqld` using the setting below in the `.env` file. To add multiple arguments,
+set them as a single **space separated** string. See the available arguments in
+the [MariaDB Docs](https://mariadb.com/kb/en/server-system-variables/).
+
+* `MYSQL_ARGS="--innodb-buffer-pool-instances=4 --key-buffer-size=256M"`

templates/environments/includes/db.base.yml

@@ -36,6 +36,14 @@ services:
 {{ else }}
       - --collation-server={{ .mysql_collation_server }}
 {{ end }}
+{{ if ne (default "" .mysql_innodb_buffer_pool_size) "" }}
+      - --innodb-buffer-pool-size={{ .mysql_innodb_buffer_pool_size }}
+{{ end }}
+{{ if ne (default "" .mysql_args) "" }}
+{{ range $v := (splitList " " .mysql_args) }}
+      - {{ $v }}
+{{ end }}
+{{ end }}
 {{ if isEnabledStrict .mysql_disable_strict_mode }}
       - --sql-mode=
       - --innodb_strict_mode=OFF