fix: correct agent label for production environment in Jenkinsfile

Reviewed-on: #7

Jenkinsfile

@@ -0,0 +1,113 @@
+pipeline {
+
+    agent none
+
+    options {
+        buildDiscarder(logRotator(numToKeepStr: '10'))
+    }
+
+    environment {
+        DEPLOY_PATH = getDeployPath()
+        ENV_FILE_ID = getEnvFileId()
+        TARGET_URL = getHealthUrl()
+    }
+
+    stages {
+
+        stage('Checkout') {
+            agent { label getAgentLabel() }
+            steps {
+                checkout scm
+            }
+        }
+
+        stage('Inject Environment File') {
+            agent { label getAgentLabel() }
+            steps {
+                configFileProvider(
+                    [configFile(
+                        fileId: ENV_FILE_ID,
+                        targetLocation: 'src/environments/environment.ts',
+                        replaceTokens: true
+                    )]
+                ) {
+                    echo "Environment file injected for ${env.BRANCH_NAME}"
+                }
+            }
+        }
+
+        stage('Build Angular') {
+            agent { label getAgentLabel() }
+            steps {
+                sh '''
+                npm install
+                ng build --configuration production --base-href /admin/
+                '''
+            }
+        }
+
+        stage('Deploy') {
+            agent { label getAgentLabel() }
+            steps {
+                sh '''
+                rm -rf $DEPLOY_PATH/*
+                cp -r dist/portfolio-admin/browser/* $DEPLOY_PATH/
+                sudo /usr/bin/systemctl reload nginx
+                '''
+            }
+        }
+
+        stage('Health Check') {
+            agent { label getAgentLabel() }
+            steps {
+                sh """
+                sleep 2
+                curl -f ${TARGET_URL}
+                """
+            }
+        }
+    }
+
+    post {
+        failure {
+            echo "Deployment failed!"
+        }
+        success {
+            echo "Deployment successful!"
+        }
+    }
+}
+
+// -------- Helper Methods --------
+
+def getAgentLabel() {
+    if (env.BRANCH_NAME == 'prod') {
+        return 'oracle-prod'
+    } else {
+        return 'built-in'   // for develop
+    }
+}
+
+def getEnvFileId() {
+    if (env.BRANCH_NAME == 'prod') {
+        return 'admin-prod-properties'
+    } else {
+        return 'admin-uat-properties'
+    }
+}
+
+def getDeployPath() {
+    if (env.BRANCH_NAME == 'prod') {
+        return "/var/www/bangararaju.kottedi.in/admin"
+    } else {
+        return "/var/www/bangararaju.kottedi.in/admin"
+    }
+}
+
+def getHealthUrl() {
+    if (env.BRANCH_NAME == 'prod') {
+        return "https://bangararaju.kottedi.in/admin"
+    } else {
+        return "https://bangararaju-uat.kottedi.in/admin"
+    }
+}