Deploying Serverless Apps Across Multiple Environments with Minimal Effort?

A company is building a serverless application on AWS. The application uses Amazon API Gateway and AWS Lambda. The company wants to deploy the application to its development, test, and production environments. Which solution will meet these requirements with the LEAST development effort?

  1. Use API Gateway stage variables and create Lambda aliases to reference environment-specific resources. Source Reference Answer
  2. Use Amazon Elastic Container Service (Amazon ECS) to deploy the application to the environments.
  3. Duplicate the code for each environment. Deploy the code to a separate API Gateway stage.
  4. Use AWS Elastic Beanstalk to deploy the application to the environments.

Community Votes

A
100%

100% of anonymous learners picked answer A. Votes are pick records left by other test-takers — they are not the verified answer.

Community Insight

Examines native serverless deployment mechanisms versus manual duplication, with the common trap being the selection of containerized or platform-managed alternatives that increase complexity.

This question evaluates strategies for deploying API Gateway and Lambda functions across development, test, and production environments. Community consensus strongly supports using stage variables and Lambda aliases to centralize configuration and versioning without duplicating code.

Candidates frequently select option C because manually duplicating code per stage appears simpler initially, but it drastically increases maintenance overhead and contradicts modern DevOps practices.

Community Discussion (4 comments)

SerialiDr 👍 6 Selected: A
This approach allows for easy management of multiple environments within the same AWS infrastructure. API Gateway stage variables can be used to manage configurations that differ between environments, such as endpoint URLs or configuration settings. Similarly, Lambda aliases can point to different versions of Lambda functions, making it possible to deploy different versions of the codebase to different environments (e.g., development, test, production) without duplicating the code. This solution is both efficient and scalable, enabling quick updates and minimal overhead in managing environment-specific configurations.
65703c1 👍 1 Selected: A
A is the correct answer.
Abdullah22 👍 4 Selected: A
going with A
CrescentShared 👍 4 Selected: A
D: not for serverless.

Comments & Corrections

No comments yet — spotted an error or have a note? Share it below.

Log in to comment, report an error, or add a note about this question.

Submitted for moderation before publishing. Keep it helpful and respectful.

Expert Analysis

Why the Answer Is Correct

Using API Gateway stage variables allows you to inject environment-specific parameters directly into your Lambda execution context. Lambda aliases act as stable pointers to specific function versions, enabling you to route each environment to its corresponding code iteration. This combination eliminates manual code duplication and aligns perfectly with CI/CD pipeline automation.

Why the Other Options Are Wrong

Options B and D introduce ECS and Elastic Beanstalk, which manage containers or virtual machines rather than native serverless functions, adding unnecessary provisioning overhead. Option C requires maintaining multiple codebases that drift out of sync, violating the principle of write-once-run-anywhere. Both approaches significantly increase development and operational effort compared to native aliasing.

Community Comment Notes

Voters unanimously favor option A, noting that stage variables handle dynamic configuration while aliases manage version routing efficiently. Comment [1] explicitly highlights how this architecture simplifies environment management within shared AWS infrastructure. Comment [4] reinforces that native serverless features inherently reduce boilerplate development work.

Official Reference

Exam Strategy

Always prioritize native service integrations when a prompt emphasizes minimizing development effort or avoiding infrastructure duplication. Recognizing patterns like stage variables paired with Lambda aliases can quickly eliminate overcomplicated distractors during timed exams.

Related Analysis

A gaming website gives users the ability to trade game items

A-Grade

A developer is building an ecommerce application. When there

A-Grade

A company has a social media application that receives large

A-Grade

Practice All DVA-C02 Questions

Access 100 questions with complete answers and detailed explanations.

View Full DVA-C02 Practice Test →

← Back to DVA-C02 Study Guide