Documented the now modified precedence order of USE_ENVIRONMENT and other variables from EC2 user data

Axel Uhl commited 2014-04-29 15:02:48 +0000 commit eb9890a5cd995397bd450d3733d71b1edad53096

				wiki/amazon-ec2.md
			
          @@ -27,6 +27,9 @@ SERVER_NAME=MYSPECIFICEVENT

           BUILD_COMPLETE_NOTIFY=simon.marcel.pamies@sap.com

           SERVER_STARTUP_NOTIFY=simon.marcel.pamies@sap.com

           </pre>

          +

          +Note that when you select to install an environment using the `USE_ENVIRONMENT` variable, any other variable that you specify in the user data, such as the `MONGODB_NAME` or `REPLICATION_CHANNEL` properties in the example above, these additional user data properties will override whatever comes from the environment specified by the `USE_ENVIRONMENT` parameter.

          +

           - To build from git, install and start, set the following in the instance's user data, adjusting the MONGODB_PORT and memory settings according to your needs:

           <pre>

           BUILD_BEFORE_START=True

...	...	@@ -27,6 +27,9 @@ SERVER_NAME=MYSPECIFICEVENT
27	27	BUILD_COMPLETE_NOTIFY=simon.marcel.pamies@sap.com
28	28	SERVER_STARTUP_NOTIFY=simon.marcel.pamies@sap.com
29	29	</pre>
	30	+
	31	+Note that when you select to install an environment using the `USE_ENVIRONMENT` variable, any other variable that you specify in the user data, such as the `MONGODB_NAME` or `REPLICATION_CHANNEL` properties in the example above, these additional user data properties will override whatever comes from the environment specified by the `USE_ENVIRONMENT` parameter.
	32	+
30	33	- To build from git, install and start, set the following in the instance's user data, adjusting the MONGODB_PORT and memory settings according to your needs:
31	34	<pre>
32	35	BUILD_BEFORE_START=True