BAEL-2713 Serve Static Content in Spring WebFlux (#6404)

spring-5-reactive/src/main/java/com/baeldung/staticcontent/StaticContentApplication.java

@@ -0,0 +1,28 @@
+package com.baeldung.staticcontent;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Bean;
+import org.springframework.security.config.web.server.ServerHttpSecurity;
+import org.springframework.security.web.server.SecurityWebFilterChain;
+
+import java.util.Collections;
+
+@SpringBootApplication
+public class StaticContentApplication {
+
+    public static void main(String[] args) {
+        SpringApplication app = new SpringApplication(StaticContentApplication.class);
+        app.setDefaultProperties(Collections.singletonMap("server.port", "8084"));
+        app.run(args);
+    }
+
+    @Bean
+    public SecurityWebFilterChain staticContentSpringSecurityFilterChain(ServerHttpSecurity http) {
+        http.authorizeExchange()
+                .anyExchange()
+                .permitAll();
+        return http.build();
+    }
+
+}

spring-5-reactive/src/main/java/com/baeldung/staticcontent/StaticContentConfig.java

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+package com.baeldung.staticcontent;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.core.io.ClassPathResource;
+import org.springframework.core.io.Resource;
+import org.springframework.http.MediaType;
+import org.springframework.web.reactive.function.server.RouterFunction;
+import org.springframework.web.reactive.function.server.RouterFunctions;
+import org.springframework.web.reactive.function.server.ServerResponse;
+
+import static org.springframework.web.reactive.function.server.RequestPredicates.GET;
+import static org.springframework.web.reactive.function.server.RouterFunctions.route;
+import static org.springframework.web.reactive.function.server.ServerResponse.ok;
+
+@Configuration
+public class StaticContentConfig {
+
+    @Bean
+    public RouterFunction<ServerResponse> htmlRouter(@Value("classpath:/public/index.html") Resource html) {
+        return route(
+                GET("/"),
+                request -> ok()
+                        .contentType(MediaType.TEXT_HTML)
+                        .syncBody(html)
+        );
+    }
+
+    @Bean
+    public RouterFunction<ServerResponse> imgRouter() {
+        return RouterFunctions.resources("/img/**", new ClassPathResource("img/"));
+    }
+
+}