CHORE(merge): merge from develop

- Initial setup and all features from develop branch
- Includes: auth, deploy, docker, style fixes
- K3S deployment configuration

nextjs/app/(auth)/signup/page.tsx

@@ -0,0 +1,38 @@
+import React from "react";
+import SignUpForm from "@/components/auth/SignUpForm";
+
+export default function SignUpPage() {
+  return (
+    <div className="min-h-screen bg-gray-50 flex items-center justify-center p-6 relative">
+      <div className="w-full max-w-md relative z-10 py-12">
+        {/* Header Section */}
+        <div className="text-center mb-8">
+          <h1 className="text-4xl text-gray-900 mb-2 font-black tracking-tight">
+            회원가입
+          </h1>
+          <p className="text-gray-600 font-semibold">
+            제자들교회와 함께하세요
+          </p>
+        </div>
+
+        <SignUpForm />
+
+        {/* Bottom Text */}
+        <div className="text-center mt-6">
+          <p className="text-xs text-gray-500">
+            회원가입을 진행하시면{" "}
+            <button className="text-[#6b95c6] hover:underline font-medium">
+              이용약관
+            </button>
+            과{" "}
+            <button className="text-[#6b95c6] hover:underline font-medium">
+              개인정보처리방침
+            </button>
+            에 동의하는 것으로 간주됩니다.
+          </p>
+        </div>
+      </div>
+    </div>
+  );
+}
+