InChapter 6, Scaling Your Infrastructure, our architecture changed quite a bit. We explored different ways to scale our applications in AWS, but one of the major technologies that we left out was containers. Containers are at the heart of the software development life cycle (SDLC) of many major technology companies.
So far, we have used our personal computers to develop our applications. This works well for simple projects, such as our Hello World application. However, when it comes to more complex projects with many dependencies, it's a different story. Have you ever heard of situations in which a certain feature works on a developer's laptop but does not work for the rest of the organization-or-even worse, does not work in production?A lot of these issues stem from the differences between environments. When we build our staging and production environments, we rely on CloudFormation, Terraform, and Ansible, to keep those environments consistent. Unfortunately...