Fix deploy.yml: Add sudo, create systemd service, set correct port 5002

Changes:
- Create /app/kartsell with proper permissions
- Backup previous version
- Generate systemd kartsell.service with environment variables
- Start service on port 5002

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

.gitea/workflows/deploy.yml

@@ -42,19 +42,24 @@ jobs:
 
           echo "📦 Deploying to $DEPLOY_PATH..."
 
-          # 배포 디렉토리 생성
-          mkdir -p "$DEPLOY_PATH"
+          # 배포 디렉토리 생성 (sudo 사용)
+          if [ ! -d "$DEPLOY_PATH" ]; then
+            sudo mkdir -p "$DEPLOY_PATH"
+            sudo chown -R $USER:$USER "$DEPLOY_PATH"
+            echo "✅ Created $DEPLOY_PATH"
+          fi
 
           # 기존 백업
           if [ -d "$DEPLOY_PATH/current" ]; then
             BACKUP_DIR="$DEPLOY_PATH/backup-$(date +%s)"
-            mv "$DEPLOY_PATH/current" "$BACKUP_DIR"
+            sudo mv "$DEPLOY_PATH/current" "$BACKUP_DIR"
             echo "✅ Backed up previous version to $BACKUP_DIR"
           fi
 
           # 새 버전 배포
-          cp -r ./publish "$DEPLOY_PATH/current"
-          chmod +x "$DEPLOY_PATH/current/KArtSell.Host"
+          sudo cp -r ./publish "$DEPLOY_PATH/current"
+          sudo chown -R $USER:$USER "$DEPLOY_PATH/current"
+          sudo chmod +x "$DEPLOY_PATH/current/KArtSell.Host"
 
           echo "✅ Files deployed successfully"
 
@@ -71,11 +76,45 @@ jobs:
 
           echo "✅ Migrations completed"
 
-          # systemd 서비스 재시작
-          echo "🔄 Restarting service..."
-          sudo systemctl restart kartsell || {
-            echo "⚠️  Service restart completed"
-          }
+          # systemd 서비스 생성/활성화 (첫 배포 시)
+          echo "🔧 Configuring systemd service..."
+          sudo tee /etc/systemd/system/kartsell.service > /dev/null << 'SYSTEMD_EOF'
+          [Unit]
+          Description=K-ArtSell Aegis - Financial Advisory System
+          After=network-online.target
+          Wants=network-online.target
+
+          [Service]
+          Type=notify
+          User=$USER
+          WorkingDirectory=$DEPLOY_PATH/current
+          ExecStart=/usr/bin/dotnet KArtSell.Host.dll
+          Restart=always
+          RestartSec=10
+          StandardOutput=journal
+          StandardError=journal
+
+          Environment="ASPNETCORE_ENVIRONMENT=Production"
+          Environment="ASPNETCORE_URLS=http://127.0.0.1:5002"
+          Environment="KARTSELL_POSTGRES=$KARTSELL_POSTGRES"
+          Environment="KRX_OPENAPI=$KRX_OPENAPI"
+          Environment="OPENDART_API=$OPENDART_API"
+          Environment="KIS_APP_KEY=$KIS_APP_KEY"
+          Environment="KIS_APP_SECRET=$KIS_APP_SECRET"
+
+          NoNewPrivileges=true
+          PrivateTmp=true
+
+          [Install]
+          WantedBy=multi-user.target
+          SYSTEMD_EOF
+
+          sudo systemctl daemon-reload
+          sudo systemctl enable kartsell
+
+          # 서비스 시작/재시작
+          echo "🔄 Starting service..."
+          sudo systemctl restart kartsell
 
           # 헬스체크
           echo "🏥 Health check..."