June 2025
Intermediate to advanced
488 pages
12h 27m
English
Content preview from Agile Web Development with Rails 8Become 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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Iteration L3: Moving to Production
Running in production is so much more than just deploying your application. It’s about keeping your application running smoothly and keeping your data safe. If your server goes down, a new one can be started in minutes. If your data is lost, it’s lost forever.
Backing Up Your Database
If you look at your config/database.yml, you’ll see that it contains definitions for four databases: primary, cache, queue, and cable. These are stored in a storage directory, which is mapped to a directory on your host machine. This is where your data is stored. It’s quite possible to back up all four, but for now we’re going to focus on the primary database. The primary database is the one that contains your users, products, ...
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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.