feat: CORS 설정 추가

src/main/java/in/koreatech/koin/KoinApplication.java

@@ -2,10 +2,12 @@
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.context.properties.ConfigurationPropertiesScan;
 import org.springframework.scheduling.annotation.EnableScheduling;
 
 @EnableScheduling
 @SpringBootApplication
+@ConfigurationPropertiesScan
 public class KoinApplication {
 
     public static void main(String[] args) {

src/main/java/in/koreatech/koin/global/config/CorsProperties.java

@@ -0,0 +1,12 @@
+package in.koreatech.koin.global.config;
+
+import java.util.List;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+@ConfigurationProperties(prefix = "cors")
+public record CorsProperties(
+    List<String> allowedOrigins
+) {
+
+}

src/main/java/in/koreatech/koin/global/config/WebConfig.java

@@ -5,6 +5,7 @@
 import org.springframework.context.annotation.Configuration;
 import org.springframework.format.FormatterRegistry;
 import org.springframework.web.method.support.HandlerMethodArgumentResolver;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
 import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
@@ -31,6 +32,7 @@ public class WebConfig implements WebMvcConfigurer {
     private final IpAddressInterceptor ipAddressInterceptor;
     private final ServerURLArgumentResolver serverURLArgumentResolver;
     private final ServerURLInterceptor serverURLInterceptor;
+    private final CorsProperties corsProperties;
 
     @Override
     public void addInterceptors(InterceptorRegistry registry) {
@@ -59,4 +61,14 @@ public void addFormatters(FormatterRegistry registry) {
         registry.addConverter(new BusStationEnumConverter());
         registry.addConverter(new ImageUploadDomainEnumConverter());
     }
+
+    @Override
+    public void addCorsMappings(CorsRegistry registry) {
+        registry.addMapping("/**")
+            .allowedOrigins(corsProperties.allowedOrigins().toArray(new String[0]))
+            .allowedMethods("GET", "POST", "PUT", "DELETE", "OPTIONS", "PATCH")
+            .allowedHeaders("*")
+            .allowCredentials(true)
+            .maxAge(3600);
+    }
 }

src/main/resources/application-test.yml

@@ -62,3 +62,7 @@ fcm:
     url: koinAppUrl://
 
 OPEN_API_KEY:
+
+cors:
+  allowedOrigins:
+    - http://localhost:3000