February 2019
Intermediate to advanced
240 pages
5h 25m
English
Content preview from Docker for Rails DevelopersBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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How Containers Can Talk to Each Other
If two containers are isolated, independent processes, how come, as we just saw, that they are able to talk to one another? While it’s true that the code and processes running in a container are sandboxed, that does not mean the container has no way to communicate with the outside world. If containers could not communicate, we would not be able to connect them together to create a powerful, connected system of services that together make up our application.
If you remember back to Launching Our App, we said that docker-compose up creates a new network for the app. By default, all containers for our app are connected to the app’s network and can communicate with each other. This means that our containers, ...
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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.