How to dump goroutine of container entry point process?

php editor Strawberry will introduce to you how to dump the goroutine of the container entry point process. When developing containerized applications using the Go language, we often need to understand and debug running goroutines. Dumping the goroutine of the container entry point process is a common debugging method, which can help us analyze and solve problems in the application. In this article, we will discuss in detail how to use relevant tools and techniques to dump the goroutine of the container entry point process, and provide specific steps and sample code. Let’s explore this fun and practical topic together!

Question content

I have an application run by docker-compose up. When stopping the application via docker-compose stop, one of the containers does not terminate. The container runs a process written in Go, so I want to dump the goroutine of that process to see where the process is stuck.

I can docker ps view the container and then docker exec -it c410494d5bb1f1d9dfe0d385746cdccc bash into the container, but once I kill -QUIT 6f92233992ccc2c369228ee519c481f4 Dump goroutine to stderr.

The following is the docker command to get the container log (-n specifies the number of lines to display from the end of the log):

$ docker logs -n 1000 [container-name]

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