diff --git a/app/server/build/install.sh b/app/server/build/install.sh
index 3cb2350..f4e6241 100755
--- a/app/server/build/install.sh
+++ b/app/server/build/install.sh
@@ -1,9 +1,10 @@
 #!/bin/bash
 
-sudo apt-get install libcurl4-openssl-dev
-sudo apt-get install sqlite3 libsqlite3-dev
-sudo apt install default-libmysqlclient-dev
-sudo apt-get install libxml2-dev
+sudo apt-get install libcurl4-openssl-dev # curl
+sudo apt-get install sqlite3 libsqlite3-dev # sqlite
+sudo apt install default-libmysqlclient-dev # mysql
+sudo apt-get install libxml2-dev # xml
+sudo apt-get install libpq-dev # postgresql
 
 # Windows
 # regex http://gnuwin32.sourceforge.net/packages/pcre.htm