Configuration as Code: Everything You Need to Know
Configuration as code (CAC) is managing configuration resources in your source repository. You treat your application config resources as versioned artifacts. By managing your application environment in tandem with...
YAML Tutorial: Everything You Need to Get Started in Minutes
YAML Ain’t Markup Language (YAML) is a serialization language that has steadily increased in popularity over the last few years. It’s often used as a format for configuration files, but its object...
Liquibase Tutorial: Learn to Manage Your Database Schema
Liquibase is one of the most versatile tools for database migration. It works on nearly all SQL database platforms. So whether you use MySQL, SQL Server, Oracle, Firebird or a combination of these or any other...
10 Mistakes You’re Probably Baking Into Your Source Code
Perspective is everything. We developers tend to make a lot of assumptions that lead to mistakes in our code. These assumptions are rooted in our limited perspectives. We’re only human, after all. Talking...
Infrastructure as Code: Everything You Need to Know
Simply put, infrastructure as code (IaC) is the managing and provisioning of infrastructure through code instead of using a manual process to configure devices or systems. It’s a practical way to manage your...
Realm Database Tutorial: Get Started Quickly With Swift
We compared the three most popular databases for iOS applications a while back. One of them was Realm, an alternative to Apple’s Core Data. Realm Database is faster than both Core Data and SQLite, and easier...
Beta Release: 8 Things That Make It Successful
As developers, we know that a beta release creates a safe and valuable place to test our application in production. It provides metrics on what works and what doesn’t. But we also know that beta releases...
The Future of Feature Flags Lies in Infrastructure As Code
Feature flags are a key component of modern software development and deploying. Having the power to activate or deactivate certain parts of the application at will, without touching the code, will undoubtedly make...
Trunk-Based Development: What It Is and Why You Need It Now
Every time I talk with a developer about trunk-based development, I get a certain level of resistance and some weird looks. Maybe it’s because they think I’m saying that they’re wrong to not use trunk-based...
Python Feature Flag Guide
You’re doing it right. You’ve set up an array of microservices that offer REST APIs to support an enterprise application. Your architecture is comprised of loosely coupled services that have enabled...
Unit Testing Best Practices When You Have External Dependencies
Here at the Rollout blog, we often sing the praises of continuous integration and its siblings, continuous development and continuous deployment. Having a great unit test suite is a key component of enabling these...
Git Create Branch: 4 Ways to Do It
If you write software for a living in 2018, then I can say with confidence you’re familiar with Git. The tool created by Linus Torvalds has become synonymous with version control. And without a doubt, one of...