add cors configuration via WebMvcConfigurer.addCorsMappings (#6)

Author: mama-samba-braima

src/main/java/com/amigoscode/config/WebMvcConfig.java

@@ -0,0 +1,28 @@
+package com.amigoscode.config;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.CorsRegistration;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+import java.util.List;
+
+@Configuration
+public class WebMvcConfig implements WebMvcConfigurer {
+
+//    cors.allowed.origins=*
+    @Value("#{'${cors.allowed.origins}'.split(',')}")
+    private List<String> allowedOrigins;
+
+//    cors.allowed.methods=*
+    @Value("#{'${cors.allowed.methods}'.split(',')}")
+    private List<String> allowedMethods;
+
+    @Override
+    public void addCorsMappings(CorsRegistry registry) {
+        CorsRegistration corsRegistration = registry.addMapping("/api/**");
+        allowedOrigins.forEach(corsRegistration::allowedOrigins);
+        allowedMethods.forEach(corsRegistration::allowedMethods);
+    }
+}

src/main/resources/application.properties

@@ -8,4 +8,7 @@ spring.jpa.hibernate.ddl-auto=validate
 spring.jpa.show-sql=true
 spring.jpa.properties.hibernate.format_sql=true
 
-server.error.include-message=always
+server.error.include-message=always
+
+cors.allowed.origins=*
+cors.allowed.methods=*