diff --git a/.gitignore b/.gitignore
index 4e6414cf3d..7e34aa12dc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,4 +20,7 @@
 /.php_cs.cache
 ###< friendsofphp/php-cs-fixer ###
 
-/file
\ No newline at end of file
+/file
+
+DOCUMENTATION/database/*
+!DOCUMENTATION/database/diagram.pdf
\ No newline at end of file
diff --git a/DOCUMENTATION/database/diagram.pdf b/DOCUMENTATION/database/diagram.pdf
new file mode 100644
index 0000000000..2814d5ae11
Binary files /dev/null and b/DOCUMENTATION/database/diagram.pdf differ