Springfox 3 Config for up Springboot 2.6 and Actuator

SpringfoxConfig.java

package com.github.igorferreira.api.config;

import org.springframework.beans.factory.InitializingBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.mvc.method.RequestMappingInfo;
import org.springframework.web.servlet.mvc.method.RequestMappingInfoHandlerMapping;
import springfox.documentation.spi.service.RequestHandlerProvider;
import springfox.documentation.spring.web.WebMvcRequestHandler;
import springfox.documentation.spring.web.plugins.DocumentationPluginsBootstrapper;
import springfox.documentation.spring.web.plugins.WebMvcRequestHandlerProvider;
import springfox.documentation.spring.web.readers.operation.HandlerMethodResolver;

import javax.servlet.ServletContext;
import java.util.List;
import java.util.Optional;
import java.util.Set;

import static java.util.stream.Collectors.toList;
import static springfox.documentation.spi.service.contexts.Orderings.byPatternsCondition;
import static springfox.documentation.spring.web.paths.Paths.ROOT;

@Configuration
public class SpringfoxConfig {

    @Bean
    public InitializingBean removeSpringfoxHandlerProvider(DocumentationPluginsBootstrapper bootstrapper) {
        return () -> bootstrapper.getHandlerProviders().removeIf(WebMvcRequestHandlerProvider.class::isInstance);
    }

    @Bean
    public RequestHandlerProvider customRequestHandlerProvider(Optional<ServletContext> servletContext, HandlerMethodResolver methodResolver, List<RequestMappingInfoHandlerMapping> handlerMappings) {
        String contextPath = servletContext.map(ServletContext::getContextPath).orElse(ROOT);
        return () -> handlerMappings.stream()
                .filter(mapping -> !mapping.getClass().getSimpleName().equals("IntegrationRequestMappingHandlerMapping"))
                .map(mapping -> mapping.getHandlerMethods().entrySet())
                .flatMap(Set::stream)
                .map(entry -> new WebMvcRequestHandler(contextPath, methodResolver, tweakInfo(entry.getKey()), entry.getValue()))
                .sorted(byPatternsCondition())
                .collect(toList());
    }

    RequestMappingInfo tweakInfo(RequestMappingInfo info) {
        if (info.getPathPatternsCondition() == null) return info;
        String[] patterns = info.getPathPatternsCondition().getPatternValues().toArray(new String[0]);
        return info.mutate().options(new RequestMappingInfo.BuilderConfiguration()).paths(patterns).build();
    }
}