Update README.md

README.md

@@ -90,7 +90,7 @@ We use [Terraform](https://www.terraform.io/intro/getting-started/install.html)
   wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
   curl -sL https://deb.nodesource.com/setup_10.x | sudo -E bash -
   apt-get update
-  apt-get install -y esl-erlang=1:21.1.1-1 python python3 git inotify-tools nodejs automake gcc libgmp3-dev make libtool autoconf unzip elixir=1.8.1-1 build-essential
+  apt-get install -y esl-erlang=1:21.1.1-1 python python3 git inotify-tools nodejs postgresql-10 postgresql-client-10 automake gcc libgmp3-dev make libtool autoconf unzip elixir=1.8.1-1 build-essential
 ```
    
 ### Build and Run