July 2017
Beginner to intermediate
358 pages
10h 54m
English
Content preview from Building Microservices with Go
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Running Daemons in containers
One of the things you might be used to when deploying an application to a VM or physical server is to use a Daemon runner such as initd or systemd to ensure that the application is started in the background and continues to run even if it crashes. This is an anti-pattern when you are using Docker containers, for Docker to successfully stop the application it will attempt to kill the process running with PID 1. Daemons will generally start with PID 1 and start your application with another process ID, which will mean they are not killed when you stop the Docker container. This can cause containers to hang when the docker stop command is executed.
In the instance that you need to ensure that your application keeps ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.