Configured spring fox with swagger2

build.gradle

@@ -32,6 +32,8 @@ dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-web:2.0.5.RELEASE'
     implementation 'org.mybatis.spring.boot:mybatis-spring-boot-starter:2.0.0'
     implementation 'com.h2database:h2:1.4.197'
+    implementation 'io.springfox:springfox-swagger2:2.6.1'
+    implementation 'io.springfox:springfox-swagger-ui:2.6.1'
 
 	testImplementation 'org.springframework.boot:spring-boot-starter-test:2.0.5.RELEASE'
 

src/main/java/banking/api/config/SwaggerConfig.java

@@ -0,0 +1,48 @@
+package banking.api.config;
+
+import com.google.common.base.Predicate;
+import com.google.common.base.Predicates;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import springfox.documentation.builders.ApiInfoBuilder;
+import springfox.documentation.builders.PathSelectors;
+import springfox.documentation.builders.RequestHandlerSelectors;
+import springfox.documentation.service.ApiInfo;
+import springfox.documentation.spi.DocumentationType;
+import springfox.documentation.spring.web.plugins.Docket;
+import springfox.documentation.swagger2.annotations.EnableSwagger2;
+
+
+@Configuration
+@EnableSwagger2
+public class SwaggerConfig {
+
+    @Bean
+    public Docket produceApi() {
+
+        return new Docket(DocumentationType.SWAGGER_2)
+                .apiInfo(apiInfo())
+                .select()
+                .apis(RequestHandlerSelectors.basePackage("banking.api.controllers"))
+                .paths(paths())
+                .build();
+    }
+
+    // Describe your apis
+    private ApiInfo apiInfo() {
+        return new ApiInfoBuilder()
+                .title("Banking Rest APIs")
+                .description("This page lists all the rest apis for Banking API")
+                .version("1.0-SNAPSHOT")
+                .build();
+    }
+
+    // Only select apis that matches the given Predicates.
+    private Predicate<String> paths() {
+        // Match all paths except /error
+        return Predicates.and(
+                PathSelectors.regex("/customer.*"),
+                Predicates.not(PathSelectors.regex("/error.*"))
+        );
+    }
+}

src/main/java/banking/api/controllers/CustomerOperationsController.java

@@ -20,7 +20,13 @@
 import banking.api.response.models.GenericResponse;
 import banking.api.services.CustomerOperationsService;
 
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import io.swagger.annotations.ApiResponse;
+import io.swagger.annotations.ApiResponses;
+
 @RestController
+@Api(value="/customer",description="Customer Profile",produces ="application/json")
 public class CustomerOperationsController {
 
 	@Autowired
@@ -33,8 +39,15 @@ public class CustomerOperationsController {
 	public String welcomeMessage() {
 		return Messages.WELCOME_MSG;		
 	}
-
-
+
+
+
+	@ApiOperation(value="get balance",response=Customer.class)
+	@ApiResponses(value={
+			@ApiResponse(code=200,message="Customer Details Retrieved",response=GenericResponse.class),
+			@ApiResponse(code=500,message="Internal Server Error"),
+			@ApiResponse(code=404,message="Customer not found")
+	})
 	@GetMapping("/customer/balance/{nationalIdNum}")
 	public GenericResponse checkBalance(@PathVariable("nationalIdNum") Long nationalIdNum ) {
 		BigDecimal accountBalance = null;