Update MacInstallation.md

doc/MacInstallation.md

@@ -1,21 +1,19 @@
 # OSX Install
 
-If you are doing an upgrade and or recent pull for changes you will need to change your default ruby package from 2.1.1 to ruby 2.1.2
-
-Some of these steps are pulled from http://www.moncefbelyamani.com/how-to-install-postgresql-on-a-mac-with-homebrew-and-lunchy/
-
-Install homebrew
+Install rvm (ruby version manager)
 
     \curl -sSL https://get.rvm.io | bash -s stable --rails
+ 
+Use rvm to install Ruby version 2.3.0
+
     rvm install 2.3.0 --with-gcc=clang
     rvm use 2.3.0
-    gem install lunchy 
 
-Now install homebrew. 
+Now install homebrew. (a package manager for mac)
 
     ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
 
-Then install nodejs and ES6 code
+Then install nodejs (make sure its version 6.11.1 or greater)
 
     brew install nodejs
     npm install
@@ -29,7 +27,7 @@ And postgresql:
 
 Set a password, then start the service:
 
-    lunchy start postgres
+    brew services start postgresql
 
 Change directory to the metamaps git repository, and run:
 
@@ -43,3 +41,8 @@ Copy the .example-env file and rename it to .env. Then modify the DB_USERNAME an
     rails server
 
 Now open a browser to http://localhost:3000!
+
+To start the realtime server:
+
+    cd realtime
+    node realtime-server.js