diff --git a/01-basic.sh b/01-basic.sh
index 1d4c7df..bccbf9b 100755
--- a/01-basic.sh
+++ b/01-basic.sh
@@ -143,6 +143,14 @@ systemctl restart postgresql
 # Install packages
 apt-get -y --no-install-recommends install mariadb-server
 
+# Enable query logging. Only if the DEBUG environment variable is set
+if [ ${DEBUG:-0} -eq 1 ]; then
+    sed -i 's/#general_log/general_log/g' /etc/mysql/mariadb.conf.d/50-server.cnf
+fi
+
+# Restart
+systemctl restart mysqld
+
 
 #####
 # Tomcat