Jenkinsfile_2

pipeline {
    agent any

    parameters {
        choice(name: 'DEPLOY_ENV', choices: ['main', 'dev'], description: 'Target environment to deploy')
        string(name: 'IMAGE_TAG', defaultValue: 'v1.0', description: 'Tag of the Docker image to deploy')
    }

    stages {
        stage('Deploy') {
            steps {
                script {
                    // Determine the application name and port based on the chosen environment
                    def appName = "node${params.DEPLOY_ENV}:${params.IMAGE_TAG}"
                    def appPort = params.DEPLOY_ENV == 'main' ? '3000:3000' : '3001:3000'

                    echo "Deploying ${appName} to ${params.DEPLOY_ENV} environment on port ${appPort.split(':')[0]}"

                    // Pull the specified Docker image
                    // Stop and remove any existing container with the same name
                    sh "docker stop ${params.DEPLOY_ENV} || true"
                    sh "docker rm ${params.DEPLOY_ENV} || true"

                    // Run the new Docker container
                    sh "docker run -d --name ${params.DEPLOY_ENV} -p ${appPort} ${appName}"
                }
            }
        }
    }
}