Single Connection DataSource in Spring Boot.java

@Bean
SimpleDriverDataSource simpleDriverDataSource(JdbcConnectionDetails properties) {
    SimpleDriverDataSource simpleDriverDataSource = new SimpleDriverDataSource();
    simpleDriverDataSource.setUrl(properties.getJdbcUrl());
    simpleDriverDataSource.setDriver(new org.postgresql.Driver());
    simpleDriverDataSource.setUsername(properties.getUsername());
    simpleDriverDataSource.setPassword(properties.getPassword());
    return simpleDriverDataSource;
}