Deploying Applications on AWS OpsWorks Using Custom Chef Recipes
A company uses AWS OpsWorks for configuration management. The DevOps team wants to deploy a new application version to a stack of EC2 instances. What should the team use to perform the deployment?
Quick Answer
The answer is custom Chef recipes in OpsWorks, as this is the native and recommended method for deploying application updates to a stack of EC2 instances managed by AWS OpsWorks. This is correct because OpsWorks is fundamentally a configuration management service built on Chef, and custom Chef recipes allow you to define precise, repeatable deployment tasks—such as pulling new code, restarting services, or updating dependencies—by hooking into lifecycle events like Deploy. On the AWS Certified DevOps Engineer Professional DOP-C02 exam, this question tests your understanding of OpsWorks’ core architecture and its reliance on Chef automation, often appearing as a straightforward scenario where the trap is choosing manual SSH scripts or third-party tools instead of the integrated Chef approach. Remember the key: OpsWorks is Chef under the hood, so when you need to deploy, think “custom recipes on the Deploy lifecycle event.” A simple memory tip: “OpsWorks + Deploy = Chef Recipe.”
⚠ Common exam trap
Watch out — candidates often confuse OpsWorks with Elastic Beanstalk or think that CodeDeploy is the universal deployment tool for all EC2 instances, forgetting that OpsWorks has its own native Chef-based deployment mechanism that should be used when the stack is already managed by OpsWorks.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Custom Chef recipes in OpsWorks
AWS OpsWorks is a configuration management service that uses Chef. When you need to deploy a new application version to a stack of EC2 instances managed by OpsWorks, the native and recommended approach is to use custom Chef recipes. These recipes can be executed as a lifecycle event (e.g., Deploy) to update application code, restart services, or perform any deployment tasks directly on the instances, leveraging the existing OpsWorks agent and Chef infrastructure.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
AWS Elastic Beanstalk
Why it's wrong here
Elastic Beanstalk is a separate PaaS service.
- ✗
AWS CloudFormation
Why it's wrong here
CloudFormation provisions infrastructure, not application deployments.
- ✗
AWS CodeDeploy
Why it's wrong here
CodeDeploy can be used but OpsWorks has built-in deployment via recipes.
- ✓
Custom Chef recipes in OpsWorks
Why this is correct
OpsWorks uses Chef recipes for configuration and deployment.
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Same concept, more angles
2 more ways this is tested on DOP-C02
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A company uses AWS OpsWorks for configuration management of its EC2 instances. The DevOps team wants to apply a new security patch to all instances in a specific layer. What is the most efficient way to accomplish this?
easy- A.Create a new OpsWorks stack with the patch and migrate instances to it.
- B.SSH into each instance and run the patch command manually.
- ✓ C.Update the layer's custom Chef recipe to include the patch and trigger a lifecycle event to execute the recipe on all instances.
- D.Use AWS Systems Manager Run Command to run a patch command on each instance individually.
Why C: OpsWorks uses Chef to manage configuration, and updating the layer's custom Chef recipe to include the security patch allows you to trigger a lifecycle event (e.g., 'Setup' or 'Configure') that runs the recipe on all instances in that layer simultaneously. This approach is efficient, automated, and leverages OpsWorks' built-in configuration management without manual intervention or stack migration.
Variation 2. A company uses AWS OpsWorks for configuration management. The DevOps team wants to run a custom recipe on all instances in a layer during stack updates. Which OpsWorks lifecycle event should they hook the recipe into?
hard- A.Deploy
- B.Shutdown
- C.Configure
- ✓ D.Setup
Why D: The Setup lifecycle event runs on every instance in a layer when it first boots or during a stack update, making it the correct hook for running a custom recipe that must execute on all instances during updates. This event occurs after the instance is fully configured and before it enters service, ensuring the recipe runs consistently across the layer.
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This DOP-C02 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DOP-C02 exam.