<?xml version="1.0" encoding="UTF-8"?>
<Context>
    <Resource
              name="jdbc/db"
              auth="Container"
              type="javax.sql.DataSource"
              username="user"
              password=""
              driverClassName="org.postgresql.Driver"
              url="jdbc:postgresql://127.0.0.1:5432/db?user=user"
              validationQuery="select 1;"
              maxActive="10"
              maxIdle="4" />
</Context>