How does Praxis compare to Rails API for building RESTful services?

Praxis focuses on design-first principles and automatic OpenAPI docs, while Rails API is more code-first and integrates tightly with the full Rails ecosystem. Praxis offers GraphQL-like field selection, which Rails doesn't natively support, making it better for clients needing flexible queries.

How to add authentication to a Praxis API?

Praxis doesn't prescribe a specific authentication method; you can integrate common Ruby gems like Devise or JWT. The framework's middleware allows customization, but implementation is based on your design specs, requiring manual setup for security layers.

Can Praxis handle real-time features like WebSockets?

The README doesn't mention WebSockets or real-time capabilities. Praxis is primarily designed for RESTful APIs with GraphQL-like queries, so for real-time needs, you might need to supplement it with other tools like Action Cable or external services.

What's the learning curve for Praxis compared to Sinatra?

Praxis has a steeper learning curve due to its design-first philosophy and comprehensive feature set. Sinatra is minimal and easier to pick up for simple APIs, but Praxis offers more structure and automation for complex, production-ready projects.

How to deploy a Praxis application to cloud platforms?

Since Praxis is built on Ruby and Rack, it can be deployed like any Rack application using servers like Puma or Unicorn. Follow standard Ruby deployment practices, such as using Capistrano or containerization with Docker, based on the quickstart guide.

Does Praxis support database migrations or ORM integration?

Praxis doesn't include an ORM; you can use ActiveRecord, Sequel, or any Ruby database library. It focuses on the API layer, so database handling is up to the developer to integrate, which adds complexity for data-heavy applications.

Open-Awesome

Praxis

MITRuby

A Ruby framework for designing and implementing modern REST APIs with automatic OpenAPI documentation and GraphQL-like field selection.

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302 stars38 forks0 contributors

What is Praxis?

Praxis is a Ruby framework for building modern service APIs with a focus on both design and implementation. It solves the problem of maintaining accurate API documentation and providing flexible querying capabilities by automatically generating OpenAPI specs from code and allowing GraphQL-like field selection over REST endpoints.

Target Audience

Development teams building RESTful APIs in Ruby who value design-first approaches, automated documentation, and client flexibility without sacrificing REST simplicity.

Value Proposition

Developers choose Praxis for its unique combination of design-first workflow, automatic OpenAPI documentation, GraphQL-inspired field selection on REST endpoints, and proven production reliability since 2014.

Overview

Praxis is a framework that focuses on both the design and implementation aspects of creating APIs.

Use Cases

Best For

Teams adopting API design-first methodologies in Ruby projects
Generating always-accurate OpenAPI documentation from live code
Adding GraphQL-like field selection capabilities to REST APIs
Building production-ready APIs with battle-tested Ruby frameworks
Rapid API development with built-in validation and best practices
Creating customizable API frameworks with selective feature enablement

Not Ideal For

Teams developing APIs in non-Ruby environments or polyglot microservices architectures
Projects with minimal API requirements where lightweight frameworks like Sinatra would suffice
Organizations that prioritize rapid prototyping over upfront design specifications
Developers seeking extensive third-party plugins and a large community, as in Rails

Pros & Cons

Pros

Automatic OpenAPI Docs

Generates OpenAPI 3.x specifications directly from code, ensuring documentation is always accurate and up-to-date, as highlighted in the README's feature on truthful docs.

GraphQL-Inspired Flexibility

Allows clients to select specific fields using GraphQL syntax on REST endpoints, providing query efficiency without requiring a full GraphQL server implementation.

Design-First Validation

Enables API design visualization upfront with automatic validation from specs, reducing implementation errors and improving consistency, as per the design-first philosophy.

Production-Proven Stability

Battle-tested in production since 2014, offering reliability and confidence for mission-critical applications, as noted in the hardened and battle-tested feature.

Cons

Ruby Version Constraint

Requires Ruby 2.7.0 or higher, which can be a barrier for teams on older versions or in environments with strict dependency controls, limiting backward compatibility.

Niche Ecosystem

Has a smaller community and fewer resources compared to mainstream frameworks, with support primarily through mailing lists rather than modern chat platforms, as seen in the deprecated Slack link.

Opinionated Workflow

The design-first approach imposes a specific development methodology that may not align with all team workflows or agile practices, potentially slowing down iterative changes.

Frequently Asked Questions

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