Updating resources

The property of Continuous Delivery is as what we described in Chapter 1, Introduction to DevOps, a set of operations including the Continuous Integration (CI) and ensuing deployment tasks. The CI flow comprises elements like version control systems, buildings, and different levels of automated tests. Tools to implement CI functions are usually at the application layer which can be independent to underlying infrastructure, but when it comes to achieving deployment, understanding and dealing with infrastructure is inevitable since the deployment tasks are tightly bound to the platform that our application is running on. In the environment that software runs on physical or virtual machines, we'd utilize configuration management tools, orchestrators, and scripts to deploy our software. However, if we're running our service on an application platform like...