<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE xml>
<Context>
    <Resource name="jdbc/DB1" auth="Container"
            factory="org.apache.naming.factory.BeanFactory"
            type="com.mchange.v2.c3p0.ComboPooledDataSource"
            driverClass="org.postgresql.Driver"
            jdbcUrl="jdbc:postgresql://192.168.1.13:5432/db1?useSSL=false"
            user="db1"
            password="******"
            initialPoolSize="5"
            minPoolSize="5"
            maxPoolSize="5"
     />

     <Resource name="jdbc/DB2" auth="Container"
            factory="org.apache.naming.factory.BeanFactory"
            type="com.mchange.v2.c3p0.ComboPooledDataSource"
            driverClass="com.microsoft.sqlserver.jdbc.SQLServerDriver"
            jdbcUrl="jdbc:sqlserver://192.168.1.3:1433;databaseName=db2"
            user="db2"
            password="*******"
            initialPoolSize="5"
            minPoolSize="5"
            maxPoolSize="5"
     />

</Context>

>app
  |- postgresql
  |   | model
  |   | repository
  |- sqlserver
      | model
      | repository