CHORE(merge): merge from develop

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

nextjs/app/api/auth/[...nextauth]/route.ts

@@ -0,0 +1,4 @@
+import { handlers } from "@/lib/auth";
+
+export const { GET, POST } = handlers;
+

nextjs/app/api/auth/me/route.ts

@@ -0,0 +1,31 @@
+import { NextResponse } from "next/server";
+import { auth } from "@/lib/auth";
+
+export async function GET() {
+  try {
+    const session = await auth();
+
+    if (!session?.user) {
+      return NextResponse.json(
+        { success: false, message: "로그인 필요", user: null },
+        { status: 401 }
+      );
+    }
+
+    return NextResponse.json({
+      success: true,
+      data: {
+        id: parseInt(session.user.id),
+        userId: session.user.userId,
+        userName: session.user.name,
+      },
+    });
+  } catch (error) {
+    console.error("Get user error:", error);
+    return NextResponse.json(
+      { success: false, message: "서버 오류가 발생했습니다.", user: null },
+      { status: 500 }
+    );
+  }
+}
+

nextjs/app/api/auth/signup/route.ts

@@ -0,0 +1,95 @@
+import { NextResponse } from "next/server";
+import bcrypt from "bcryptjs";
+import { prisma } from "@/lib/prisma";
+
+export async function POST(req: Request) {
+  try {
+    const {
+      userId,
+      userPassword,
+      userCheckPassword,
+      userName,
+      userPhone,
+      authCode,
+    } = await req.json();
+
+    // 유효성 검사
+    if (!userId || !userPassword || !userCheckPassword || !userName || !userPhone || !authCode) {
+      return NextResponse.json(
+        { success: false, message: "필수 정보를 모두 입력해주세요." },
+        { status: 400 }
+      );
+    }
+
+    // 승인번호 검사
+    if (authCode !== process.env.CODE) {
+      return NextResponse.json(
+        { success: false, message: "승인번호가 올바르지 않습니다." },
+        { status: 400 }
+      );
+    }
+
+    // 비밀번호 확인
+    if (userPassword !== userCheckPassword) {
+      return NextResponse.json(
+        { success: false, message: "비밀번호가 일치하지 않습니다." },
+        { status: 400 }
+      );
+    }
+
+    // 중복 체크: 아이디
+    const existingUser = await prisma.user.findUnique({
+      where: { userId },
+    });
+
+    if (existingUser) {
+      return NextResponse.json(
+        { success: false, message: "이미 사용 중인 아이디입니다." },
+        { status: 409 }
+      );
+    }
+
+    // 중복 체크: 전화번호
+    const existingPhone = await prisma.user.findUnique({
+      where: { userPhone },
+    });
+
+    if (existingPhone) {
+      return NextResponse.json(
+        { success: false, message: "이미 등록된 전화번호입니다." },
+        { status: 409 }
+      );
+    }
+
+    // 비밀번호 해싱
+    const hashedPassword = await bcrypt.hash(userPassword, 10);
+
+    // 새로운 유저 생성
+    const newUser = await prisma.user.create({
+      data: {
+        userId,
+        userPassword: hashedPassword,
+        userName,
+        userPhone,
+      },
+    });
+
+    return NextResponse.json(
+      {
+        success: true,
+        data: {
+          userId: newUser.userId,
+          userName: newUser.userName,
+        },
+      },
+      { status: 201 }
+    );
+  } catch (err) {
+    console.error("Signup error:", err);
+    return NextResponse.json(
+      { success: false, message: "서버 오류가 발생했습니다." },
+      { status: 500 }
+    );
+  }
+}
+