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Infrastructure as Code: provisioning and configuration management with Vagrant, Terraform, and Ansible

Intended audience: technical managers, senior developers

Agile developers must constantly strike a balance between building solutions for a known existing case and building solutions that can scale to handle unknown future cases. On the one hand, Agile philosophy encourages us to build and iterate as necessary: Move Fast and Break Things. On the other, various programming best practices encourage us to build in an extensible and modular way from the start: Do One Thing and Do It Well. On smaller projects, these two goals can be achieved simultaneously; but on larger projects – especially given time and budget constraints – it is sometimes necessary to prioritize one over the other. 

Project managers and full-stack developers face such choices almost immediately, during the initial development, staging, and deployment phases. For instance, a project may begin with a narrow scope and require only a single developer’s time. In this case, it often makes sense to forgo provisioning a dedicated development virtual machine (VM) or staging server, and instead, to use generic or shared environments. But as the scope of the project grows, for instance with caching or proxy layers, it often makes sense to implement better development, staging, and production parity.

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Photo of MacBook Pro

Turbo charge your Mac development environment

Last year, I switched from developing on a dual-boot Windows and Linux machine to working on a Mac. During the transition, I felt my productivity slump: not only was I missing keyboard shortcuts that I had become very accustomed to (such as Alt+←, for instance), but some native MacOS behaviour drove me crazy (like ⌘+Tab cycling through applications rather than cycling through windows of all applications). I also found the Mac terminal to be lacking, missing important utilities, and running some outdated binaries. So, vowing to prove decisively the superiority of humans over machines, I decided to make my Mac Just Work* ™  * Like my PC used to.

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