feat: update Jenkinsfile for improved CI/CD process

- Renamed stages for clarity, changing 'Checkout' to 'Git Clone from Gitea' and 'Build Image' to 'Build Docker Image'.
- Updated Git checkout step to use specific branch and credentials for Gitea.
- Enhanced Docker login process with `withCredentials` for better security.
- Added a new stage for deploying to production LXC, including SSH commands for directory creation and Docker management.
- Updated success and failure messages to include Korean language support for better localization.

Jenkinsfile

@@ -7,17 +7,18 @@ pipeline {
         IMAGE_TAG     = "${env.BUILD_NUMBER}"
         FULL_IMAGE    = "${REGISTRY}/${IMAGE_NAME}:${IMAGE_TAG}"
         LATEST_IMAGE  = "${REGISTRY}/${IMAGE_NAME}:latest"
-        GITEA_CREDS   = credentials('gitea-registry-credentials')
     }
 
     stages {
-        stage('Checkout') {
+        stage('Git Clone from Gitea') {
             steps {
-                checkout scm
+                git branch: 'main',
+                    credentialsId: 'gitea-cred',
+                    url: 'http://10.1.10.28:3000/gihyeon/cointrader.git'
             }
         }
 
-        stage('Build Image') {
+        stage('Build Docker Image') {
             steps {
                 sh "docker build -t ${FULL_IMAGE} -t ${LATEST_IMAGE} ."
             }
@@ -25,30 +26,41 @@ pipeline {
 
         stage('Push to Gitea Registry') {
             steps {
-                sh """
-                    echo ${GITEA_CREDS_PSW} | docker login ${REGISTRY} -u ${GITEA_CREDS_USR} --password-stdin
-                    docker push ${FULL_IMAGE}
-                    docker push ${LATEST_IMAGE}
-                """
+                withCredentials([usernamePassword(credentialsId: 'gitea-registry-cred', passwordVariable: 'GITEA_TOKEN', usernameVariable: 'GITEA_USER')]) {
+                    sh "echo \$GITEA_TOKEN | docker login ${REGISTRY} -u \$GITEA_USER --password-stdin"
+                    sh "docker push ${FULL_IMAGE}"
+                    sh "docker push ${LATEST_IMAGE}"
+                }
+            }
+        }
+
+        stage('Deploy to Prod LXC') {
+            steps {
+                sh 'ssh root@10.1.10.24 "mkdir -p /root/cointrader"'
+                sh 'scp docker-compose.yml root@10.1.10.24:/root/cointrader/'
+                sh '''
+                    ssh root@10.1.10.24 "cd /root/cointrader/ && \
+                    docker compose down && \
+                    docker compose pull && \
+                    docker compose up -d"
+                '''
             }
         }
 
         stage('Cleanup') {
             steps {
-                sh """
-                    docker rmi ${FULL_IMAGE} || true
-                    docker rmi ${LATEST_IMAGE} || true
-                """
+                sh "docker rmi ${FULL_IMAGE} || true"
+                sh "docker rmi ${LATEST_IMAGE} || true"
             }
         }
     }
 
     post {
         success {
-            echo "Build #${env.BUILD_NUMBER} pushed: ${FULL_IMAGE}"
+            echo "Build #${env.BUILD_NUMBER} 성공: ${FULL_IMAGE} → 운영 LXC(10.1.10.24) 배포 완료"
         }
         failure {
-            echo "Build #${env.BUILD_NUMBER} FAILED"
+            echo "Build #${env.BUILD_NUMBER} 실패"
         }
     }
 }