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I'm using docker and my container is build over php:5.6-fpm image from php official repo. Is it somehow possible to restart/reload php-fpm from inside a container?
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Log into WHM as root. Search “PHP-FPM” and select PHP-FPM service for Apache. Select Yes to restart the PHP-FPM service.
Docker provides restart policies to control whether your containers start automatically when they exit, or when Docker restarts. Restart policies ensure that linked containers are started in the correct order. Docker recommends that you use restart policies, and avoid using process managers to start containers.
php-fpm is a process manager which supports the USER2 signal, which is used to reload the config file.
From inside the container:
kill -USR2 1
Outside:
docker exec -it <mycontainer> kill -USR2 1
Complete example:
docker run -d --name test123 php:7.1-fpm-alpine
docker exec -it test123 ps aux
docker exec -it test123 kill -USR2 1
docker exec -it test123 ps aux
You don't have to go inside the container
on your host
ps -ef|grep fpm // find master pid
kill -USR2 <master_pid>
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