Container apparatus, system and related product for containerized application management

The present disclosure provides a container device, system and related product for containerized application management wherein the container device includes a container equipped with a master controller for coordinating communication and operation between the in-container application and an external application on a host system and at least one in-container application; the container engine is used for creating a virtualization environment supporting execution of application programs in a container on a host system; and a replication controller to manage instructions from the master controller within the container and coordinate interactions between the container and external applications on the host system. Through the scheme disclosed by the invention, efficient management of the application programs in the container can be realized, task scheduling and resource utilization are optimized, and smooth communication and coordinated operation with the host system and the external application programs thereof a