anchor.diff:  http://tomcat.apache.org/tomcat-7.0-doc/jdbc-pool.html[Tomcat JDBC pool] with the default properties. The data source
   can be later injected into any Spring Bean as shown below:
   
  -[source,java]
  +[source,java,indent=0]
   ----
   
   @Service
  
positive.code: can use all the logical names from the stack template to interact with the services. In the example below, the database
  resource is configured using CloudFormation template, defining a logical name for the database instance.
  
  [source,xml]
  ----
  "applicationDatabase": {
    "Type": "AWS::RDS::DBInstance",
  
negative.code: The user data can be accessed directly in the application context like the instance meta-data through placeholders
  or expressions.
  
  [source,java,indent=0]
  ----
  @Component
  public class SecondConfigurationBean {
  