diff --git a/manual-configurations.md b/manual-configurations.md
new file mode 100644
index 0000000..92f0cb6
--- /dev/null
+++ b/manual-configurations.md
@@ -0,0 +1,12 @@
+# Minor tweeks
+
+## Allow `root` database access without password
+
+**Useful for development, insecure for production.**
+
+* Start the image: `docker run -d --name lamp --rm -p 80:80 -e DISPLAY_ERRORS=true -v /home/david/Development/php:/var/www/html fauria/lamp`
+* Log into image: `docker exec -ti lamp bash`
+* Log into DB: `mysql`
+* Update user privileges: `UPDATE mysql.user SET plugin = 'mysql_native_password' WHERE user = 'root' AND plugin = 'unix_socket';`
+* Flush privileges: `flush privileges;`
+* Restart DB: `service mysql restart`
diff --git a/run-lamp.sh b/run-lamp.sh
index a8eeddb..a497cb0 100644
--- a/run-lamp.sh
+++ b/run-lamp.sh
@@ -28,6 +28,13 @@ fi
 # enable php short tags:
 /bin/sed -i "s/short_open_tag\ \=\ Off/short_open_tag\ \=\ On/g" /etc/php/7.0/apache2/php.ini
 
+# display PHP errors:
+if [ $DISPLAY_ERRORS ]; then
+    /bin/sed -i "s/display_errors\ \=\ Off/display_errors\ \=\ On/g" /etc/php/7.0/apache2/php.ini
+else
+    DISPLAY_ERRORS='No.'
+fi
+
 # stdout server info:
 if [ ! $LOG_STDOUT ]; then
 cat << EOB
@@ -46,6 +53,7 @@ cat << EOB
     · Log Level [LOG_LEVEL]: $LOG_LEVEL
     · Allow override [ALLOW_OVERRIDE]: $ALLOW_OVERRIDE
     · PHP date timezone [DATE_TIMEZONE]: $DATE_TIMEZONE
+    · PHP display errors [DISPLAY_ERRORS]: $DISPLAY_ERRORS
 
 EOB
 else