applicationContext-dataSource.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
	Application context definition for PetClinic Datasource.
-->
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
		xmlns:p="http://www.springframework.org/schema/p"
		xmlns:context="http://www.springframework.org/schema/context" 
		xmlns:jdbc="http://www.springframework.org/schema/jdbc"
		xsi:schemaLocation="
			http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
			http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
			http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc.xsd">
				
	<!-- ========================= DATASOURCE DEFINITION ========================= -->				
    <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="location">
            <value>file:///data/petclinic/current/config/database.yml</value>
        </property>
        <property name="propertiesPersister" ref="persister"></property>
    </bean>
    <bean id="persister" class="com.engineyard.appcloud.yaml.YamlPropertiesPersister"></bean>

	<!-- Configurer that replaces ${...} placeholders with values from a properties file -->
	<!-- (in this case, JDBC-related settings for the dataSource definition below) -->
	<context:property-placeholder location="classpath:jdbc.properties"/>

	<!-- DataSource configuration for Apache Commons DBCP. -->
	<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"
      p:driverClassName="com.mysql.jdbc.Driver" p:url="jdbc:mysql://${production.host}:3306/${production.database}?autoReconnect=true"
			p:username="${production.username}" p:password="${production.password}"/>
	
	<!-- JNDI DataSource for JEE environments -->
	<!--
	<jee:jndi-lookup id="dataSource" jndi-name="java:comp/env/jdbc/petclinic"/>
	-->

	<!-- Database initializer. If any of the script fails, the initialization stops. -->
	<!-- As an alternative, for embedded databases see <jdbc:embedded-database/>. -->
	<jdbc:initialize-database data-source="dataSource">
      <jdbc:script location="classpath:db/mysql/initDB.txt"/>
      <jdbc:script
        location="classpath:db/mysql/populateDB.txt"/>
	</jdbc:initialize-database>

</beans>