Jenkinsfile.docker

pipeline {
    agent {
        label 'vm-docker'
    }

    environment {
        REGISTRY = 'ghcr.io'
        IMAGE_NAME = 'git-stuff-done/endpoint-insights-api'

    }
    
    stages {
        stage('Checkout') {
            steps {
                checkout scm
            }
        }

        stage('Build') {
            steps {
                script {
                    def tags = "-t ${REGISTRY}/${IMAGE_NAME}:${GIT_COMMIT} -t ${REGISTRY}/${IMAGE_NAME}:${BRANCH_NAME}"

                    if (BRANCH_NAME == 'main') {
                        tags += " -t ${REGISTRY}/${IMAGE_NAME}:latest"
                    }

                    sh """
                        docker build -f ./endpoint-insights-api/Dockerfile ${tags} .
                    """
                }
            }
        }

        stage('Push') {
            steps {
                script {
                    withCredentials([usernamePassword(
                        credentialsId: 'docker-registry-creds',
                        usernameVariable: 'DOCKER_USER',
                        passwordVariable: 'DOCKER_PASS'
                    )]) {
                        sh """
                            echo \$DOCKER_PASS | docker login ${REGISTRY} -u \$DOCKER_USER --password-stdin
                            docker push ${REGISTRY}/${IMAGE_NAME}:${GIT_COMMIT}
                            docker push ${REGISTRY}/${IMAGE_NAME}:${BRANCH_NAME}
                        """

                        if (BRANCH_NAME == 'main') {
                            sh "docker push ${REGISTRY}/${IMAGE_NAME}:latest"
                        }
                    }
                }
            }
        }
    }
    
    post {
        always {
            sh "docker logout ${REGISTRY} || true"
            sh "docker image prune -f || true"
        }
    }
}