diff --git a/docker/dev/mtt-php70-apache/compose.yml b/docker/dev/mtt-php70-apache/compose.yml
index 77ffc46..b5acbab 100644
--- a/docker/dev/mtt-php70-apache/compose.yml
+++ b/docker/dev/mtt-php70-apache/compose.yml
@@ -7,6 +7,7 @@ services:
     - "8080:80"
     environment:
     - MTT_ENABLE_DEBUG=YES
+    - MTT_DB_TYPE=sqlite
     volumes:
     - ../../../src:/var/www/html
     - ./php-mtt.ini:/usr/local/etc/php/conf.d/php-mtt.ini
diff --git a/docker/dev/mtt-php72-apache/compose.yml b/docker/dev/mtt-php72-apache/compose.yml
index 1d85c61..6ebd533 100644
--- a/docker/dev/mtt-php72-apache/compose.yml
+++ b/docker/dev/mtt-php72-apache/compose.yml
@@ -7,6 +7,7 @@ services:
     - "8080:80"
     environment:
     - MTT_ENABLE_DEBUG=YES
+    - MTT_DB_TYPE=sqlite
     volumes:
     - ../../../src:/var/www/html
     - ./php-mtt.ini:/usr/local/etc/php/conf.d/php-mtt.ini
diff --git a/docker/dev/mtt-php74-apache/compose.yml b/docker/dev/mtt-php74-apache/compose.yml
index bb59b91..8cf2f2a 100644
--- a/docker/dev/mtt-php74-apache/compose.yml
+++ b/docker/dev/mtt-php74-apache/compose.yml
@@ -7,6 +7,7 @@ services:
     - "8080:80"
     environment:
     - MTT_ENABLE_DEBUG=YES
+    - MTT_DB_TYPE=sqlite
     volumes:
     - ../../../src:/var/www/html
     - ./php-mtt.ini:/usr/local/etc/php/conf.d/php-mtt.ini
diff --git a/docker/dev/mtt-php80-apache/compose.yml b/docker/dev/mtt-php80-apache/compose.yml
index bf5e07c..d14113a 100644
--- a/docker/dev/mtt-php80-apache/compose.yml
+++ b/docker/dev/mtt-php80-apache/compose.yml
@@ -11,5 +11,6 @@ services:
       - "8080:80"
     environment:
       - MTT_ENABLE_DEBUG=YES
+      - MTT_DB_TYPE=sqlite
     volumes:
       - ../../../src:/var/www/html
diff --git a/docker/dev/mtt-php81-apache/compose.yml b/docker/dev/mtt-php81-apache/compose.yml
index 0887620..df4a170 100644
--- a/docker/dev/mtt-php81-apache/compose.yml
+++ b/docker/dev/mtt-php81-apache/compose.yml
@@ -11,5 +11,6 @@ services:
       - "8080:80"
     environment:
       - MTT_ENABLE_DEBUG=YES
+      - MTT_DB_TYPE=sqlite
     volumes:
       - ../../../src:/var/www/html
diff --git a/src/db/docker-config.php b/src/db/docker-config.php
index 239c646..a584520 100644
--- a/src/db/docker-config.php
+++ b/src/db/docker-config.php
@@ -5,7 +5,16 @@
 
 $config = array();
 
-if (getenv('MTT_DB_TYPE') == 'mysqli') {
+if (getenv('MTT_DB_TYPE') == 'mysql') {
+	$config['db'] = 'mysql';
+	$config['mysql.host'] = getenv('MTT_DB_HOST');
+	$config['mysql.db'] = getenv('MTT_DB');
+	$config['mysql.user'] = getenv('MTT_DB_USER');
+	$config['mysql.password'] = getenv('MTT_DB_PASSWORD');
+	$config['prefix'] = 'mtt_';
+	$config['mysqli'] = 0;
+}
+else if (getenv('MTT_DB_TYPE') == 'mysqli') {
 	$config['db'] = 'mysql';
 	$config['mysql.host'] = getenv('MTT_DB_HOST');
 	$config['mysql.db'] = getenv('MTT_DB');
@@ -14,5 +23,9 @@ if (getenv('MTT_DB_TYPE') == 'mysqli') {
 	$config['prefix'] = 'mtt_';
 	$config['mysqli'] = 1;
 }
+else if (getenv('MTT_DB_TYPE') == 'sqlite') {
+	$config['db'] = 'sqlite';
+	$config['prefix'] = 'mtt_';
+}
 
 ?>
\ No newline at end of file
diff --git a/src/setup.php b/src/setup.php
index 505cb61..af2e17d 100644
--- a/src/setup.php
+++ b/src/setup.php
@@ -69,7 +69,7 @@ if (!$ver)
 	}
 	else if (!isset($_POST['installdb']) && !isset($_POST['install']))
 	{
-		# Select database and connection settings to save.
+		# Specify database type and connection settings to save.
 		exitMessage("<form method=post>Select database type to use:<br><br>
 <label><input type=radio name=installdb value=sqlite checked=checked onclick=\"document.getElementById('mysqlsettings').style.display='none'\">SQLite</label><br><br>
 <label><input type=radio name=installdb value=mysql onclick=\"document.getElementById('mysqlsettings').style.display=''\">MySQL</label><br>