Add Dockerfile.prod and use default port

src/main/java/com/backend/extractor/kodik/service/anyame_backend/AnyameBackendApplication.java

@@ -19,7 +19,7 @@ public class AnyameBackendApplication {
         return new WebMvcConfigurer() {
             @Override
             public void addCorsMappings(CorsRegistry registry) {
-                registry.addMapping("/**").allowedOrigins("http://localhost:3000");
+                registry.addMapping("/**").allowedOrigins("http://localhost:3000", "http://localhost:3001");
             }
         };
     }

src/main/resources/application.properties

@@ -1,3 +1,2 @@
 spring.application.name=anyame-backend
 server.error.include-message=always
-server.port=8081