pipeline {
    agent any
    environment {
        DOCKER_HOST = "unix:///var/run/docker.sock"
    }
    stages {
        stage('Build') {
            steps {
                // Get Caddy version
                sh "cp .env.dist .env"
                // Push portfolio version
                sh "echo '\nPORTFOLIO_VERSION=${env.BRANCH_NAME}-${env.BUILD_NUMBER}' >> .env"

                echo "Building new portfolio version..."
                sh "docker compose build"
            }
        }
        stage('Deploy') {
            // Deploy only master branch
            when {
                branch 'master'
            }
            steps {
                echo "Deploy new portfolio version..."
                sh "docker compose up -d"

                // Update caddy-reverse-proxy cache
                sh "docker exec caddy-reverse-proxy caddy reload --config /etc/caddy/Caddyfile"

                // Keep updated docker-compose.yml and Caddyfile for safety
                sh "cp docker-compose.yml /backup-portfolio/docker-compose.yml"
                sh "docker cp portfolio:/etc/caddy/Caddyfile /backup-portfolio/Caddyfile"
            }
        }
    }
    post {
        always { 
            echo "Clean unused image..."
            sh "docker image prune -f" 
        }
        success { echo "Success !" }
        failure { echo "Failed." }
    }
}