환경별 고유 세션 쿠키 이름 설정으로 stage/production 쿠키 충돌 방지 수정

auth.ts

@@ -68,6 +68,12 @@ declare module "next-auth/jwt" {
   }
 }
 
+const appEnv = process.env.APP_ENV ?? "local";
+const isSecure = process.env.NODE_ENV === "production";
+const sessionCookieName = isSecure
+  ? `__Secure-${appEnv}-chocoadmin.session-token`
+  : `${appEnv}-chocoadmin.session-token`;
+
 export const {
   handlers: { GET, POST },
   auth,
@@ -81,6 +87,17 @@ export const {
     strategy: "jwt",
     maxAge: 8 * 60 * 60,
   },
+  cookies: {
+    sessionToken: {
+      name: sessionCookieName,
+      options: {
+        httpOnly: true,
+        sameSite: "lax" as const,
+        path: "/",
+        secure: isSecure,
+      },
+    },
+  },
   providers: [
     Credentials({
       credentials: {