@Configuration
@EnableWebMvc
@ComponentScan(basePackages = {"ru.news"})
public class WebConfig extends WebMvcConfigurerAdapter {

    @Autowired
    private DataSource dataSource;

    @Bean
    public ViewResolver viewResolver() {
        InternalResourceViewResolver resolver = new InternalResourceViewResolver();
        resolver.setPrefix("WEB-INF/jsp/");
        resolver.setSuffix(".jsp");

        return resolver;
    }

    @Bean(name = "dataSource")
    public BasicDataSource dataSource() {
        BasicDataSource dataSource = new BasicDataSource();

        dataSource.setDriverClassName("com.sybase.jdbc3.jdbc.SybDriver");
...
        dataSource.setInitialSize(5);
        dataSource.setMaxActive(10);

        return dataSource;
    }

    @Bean(name = "jdbcTemplate")
    SimpleJdbcTemplate buildSimpleJdbcTemplate() {
        return new SimpleJdbcTemplate(dataSource);
    }

    @Bean(name = "cacheManager")
    EhCacheManagerFactoryBean ehCacheManagerFactoryBean() {
        EhCacheManagerFactoryBean ehCacheManagerFactoryBean = new EhCacheManagerFactoryBean();
        ehCacheManagerFactoryBean.setConfigLocation(new ClassPathResource("/ehcache.xml"));
        return ehCacheManagerFactoryBean;
    }

    @Bean
    public PropertyPlaceholderConfigurer propertyPlaceholderConfigurer() {
        PropertyPlaceholderConfigurer propertyPlaceholderConfigurer = new PropertyPlaceholderConfigurer();

        propertyPlaceholderConfigurer.setLocation(new ClassPathResource("application.properties"));
        return propertyPlaceholderConfigurer;
    }

}

...
      // Create the dispatcher servlet's Spring application context
      AnnotationConfigWebApplicationContext dispatcherContext =
        new AnnotationConfigWebApplicationContext();
      dispatcherContext.register(DispatcherConfig.class);

      // Register and map the dispatcher servlet
      ServletRegistration.Dynamic dispatcher =
        container.addServlet("dispatcher", new DispatcherServlet(dispatcherContext));
      dispatcher.setLoadOnStartup(1);
      dispatcher.addMapping("/");