BoF: What Should be PID 1 in a Container? [I]

When a container is started, the main application will have process ID as 1. In a traditional unix systems, PID 1 is usually the init/systemd process. So the question that arises is "Does it really ma …

When a container is started, the main application will have process ID as 1. In a traditional unix systems, PID 1 is usually the init/systemd process. So the question that arises is “Does it really matter which process becomes PID 1 inside a container?”. This talk “What should be PID 1 in a container?” will talk about the problem related to process reaping and what you should care about when deploying the containerized application. This session would be beneficial for developers who are planning to containerize the application. Process reaping will be explained with simple example.