def call(Map args = [:]) {
    script {
        if (!args.imageName || !args.dockerfile || !args.context) {
            error "dockerBuild requires imageName, dockerfile, and context arguments"
        }

        def imageName = args.imageName
        def dockerfile = args.dockerfile
        def context = args.context

        echo "Building Docker image: ${imageName}"
        sh """
            docker build -t ${imageName} -f ${dockerfile} ${context}
        """
    }
}