Jets
A Ruby serverless framework that deploys Rails, Sinatra, and Rack apps to AWS Lambda with full control over concurrency and scaling.
What is Jets?
Jets is a Ruby serverless framework that deploys Ruby applications, including Rails, Sinatra, and Rack apps, to AWS Lambda. It packages your code and runs it on serverless infrastructure, allowing you to control concurrency and scale resources as needed. The framework simplifies the deployment process while leveraging AWS's serverless capabilities.
Ruby developers and teams building web applications with Rails, Sinatra, or Rack who want to deploy their apps on serverless infrastructure with AWS Lambda.
Developers choose Jets for its seamless integration with AWS Lambda, support for multiple Ruby frameworks, and the ability to maintain control over concurrency and scaling in a serverless environment, reducing infrastructure management overhead.
Overview
Ruby on Jets
Use Cases
Best For
- Deploying Rails applications to AWS Lambda
- Running Sinatra apps on serverless infrastructure
- Migrating Rack-based applications to serverless
- Managing concurrency and scaling for Ruby apps on AWS
- Simplifying serverless deployment for Ruby developers
- Leveraging AWS Lambda for Ruby web applications
Not Ideal For
- Projects requiring multi-cloud deployment or avoiding AWS vendor lock-in
- Applications with long-running processes exceeding AWS Lambda's 15-minute timeout
- Teams needing extensive real-time features like WebSockets without additional AWS services
- Non-Ruby codebases or polyglot microservices architectures
Pros & Cons
Pros
The README highlights commands like `jets init` and `jets deploy` for quick deployment, reducing initial configuration overhead for Ruby apps.
Jets supports Rails, Sinatra, and any Rack application, providing flexibility for different Ruby web frameworks as stated in the key features.
It packages and runs code on AWS Lambda, leveraging serverless compute capabilities and allowing control over concurrency and scaling per the project description.
Jets abstracts AWS infrastructure complexities, enabling developers to focus on application code while managing resources, aligning with its philosophy of simplifying serverless deployment.
Cons
Jets is tightly coupled with AWS Lambda and services, making migration to other clouds difficult and increasing dependency on AWS-specific tooling and billing.
Inherits AWS Lambda constraints such as cold starts, execution time limits (15 minutes), and memory caps, which may not suit all application types like those with heavy computational needs.
Compared to broader serverless frameworks, Jets has a smaller community and fewer third-party integrations, which could affect support, troubleshooting, and extensibility for complex use cases.
Frequently Asked Questions
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