Environment post processor

DevProfileEnvironmentPostProcessor.java

@Configuration
public class DevProfileEnvironmentPostProcessor implements EnvironmentPostProcessor {

    @Override
    public void postProcessEnvironment(ConfigurableEnvironment environment, SpringApplication application) {
        if (environment.acceptsProfiles("dev")) {
            Map<String, Object> devProperties = new HashMap<>();
            devProperties.put("server.port", 8080);
            devProperties.put("logging.level.org.springframework.web", "DEBUG");
            devProperties.put("logging.level.com.example.application", "TRACE");
            environment.getPropertySources().addFirst(new MapPropertySource("devProperties", devProperties));
        }
    }
}