A Guide on Infrastructure as Code
In simple terms, Infrastructure as Code (IaC) is the process of managing and provisioning computer data centers through machine-readable definition files, rather than physical hardware configuration or interactive configuration tools.
Why is it Important?
With IaC, there is a shift from a manual, interactive management style to a script-driven, automated management style. This allows for rapid, reliable, and consistent provision and change of resources. It also brings about a reduction in cost, increase in speed of deployment and elimination of configuration drift.
How it Works?
IaC describes a desired state of the infrastructure in code. It then uses automation tools to apply this state to current infrastructure setup. The automation tools then compare requested and current states and makes the necessary changes to achieve the requested state.
Exam Tips: Answering Questions on Infrastructure as Code
- Understand what IaC is and its benefits.
- Be clear on how it works - defining a desired state, applying this state to the current state and the role of the automation tools.
- Familiarize with IaC tools like Ansible, Chef, Puppet and Terraform.
- Be able to contrast IaC with traditional infrastructure set up and management.
- Understand the concepts of 'Immutable Infrastructure' and 'Configuration Drift'
- Practice writing code for a simple IaC scenario.
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Infrastructure as Code practice test
Infrastructure as Code (IaC) is the approach to managing IT infrastructure automatically, using code and DevOps tools, instead of traditional manual processes. This concept enables agility, scalability, and cost-efficiency within a CI/CD pipeline, allowing the consistent and rapid provisioning of environments needed for the application. By treating infrastructure as code, teams can version, review, and manage infrastructure changes just like they do for application code. This approach reduces human error, encourages collaboration between development and operations teams, and enables rapid changes to the infrastructure in response to evolving requirements.
Time: 5 minutes Questions: 5
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- 1655 Superior-grade Agile Project Management practice questions.
- Accelerated Mastery: Deep dive into critical topics to fast-track your mastery.
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- bonus: If you upgrade now you get upgraded access to all courses