Seldo Seldo - 1 year ago 120
Linux Question

How to run Nginx within a Docker container without halting?

I have Nginx installed on a Docker container, and am trying to run it like this:

docker run -i -t -p 80:80 mydockerimage /usr/sbin/nginx

The problem is that the way Nginx works, is that the initial process immediately spawns a master Nginx process and some workers, and then quits. Since Docker is only watching the PID of the original command, the container then halts.

How do I prevent the container from halting? I need to be able to tell it to bind to the first child process, or stop Nginx's initial process from exiting.

Answer Source

nginx, like all well-behaved programs, can be configured not to self-daemonize.

Use the daemon off configuration directive described in

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