Ruby
Web DevelopmentRuby is a high-level, interpreted programming language widely used for web development, scripting, and automation. It emphasizes developer productivity through readable syntax, dynamic typing, and a rich standard library. In hosting contexts, Ruby applications typically run via an application server and a web server, and they rely on dependency management, environment configuration, and process supervision for stable deployment.
How It Works
Ruby code runs on a Ruby interpreter (most commonly CRuby) that executes source files and loads libraries called gems. Applications declare gem dependencies in a Gemfile and install them with Bundler, which ensures consistent versions across environments. Many Ruby web apps are built with frameworks like Ruby on Rails or Sinatra, which provide routing, templating, database access, and background job patterns.
In production hosting, Ruby web apps are usually served by an application server such as Puma or Passenger, often sitting behind a reverse proxy like Nginx or Apache. The app server manages worker processes and threads, handles requests, and communicates with the web server over a local socket or port. Deployments also require setting environment variables (for secrets and configuration), precompiling assets when applicable, and running database migrations. Process managers (systemd, Supervisor) or container platforms (Docker) are commonly used to keep Ruby services running and restart them on failure.
Why It Matters for Web Hosting
Ruby affects which hosting plans are viable and how much control you need. Shared hosting may not support modern Ruby runtimes or app servers, while VPS, cloud, or managed app hosting typically provides SSH access, custom runtime versions, and the ability to run long-lived processes. When comparing plans, look for supported Ruby versions, easy Bundler deployment, reverse-proxy support, background job capability, and enough CPU/RAM for concurrent workers and memory-heavy frameworks like Rails.
Common Use Cases
- Ruby on Rails web applications (content sites, dashboards, SaaS backends)
- API services built with Rails API mode, Sinatra, or Grape
- Background jobs and queues (for emails, imports, media processing)
- Automation scripts for deployments, server maintenance, and data tasks
- Prototyping and internal tools where fast iteration matters
Ruby vs PHP
Ruby apps typically run as persistent processes behind an app server (Puma/Passenger), which makes process management and memory planning important. PHP is often deployed through a web-server module or PHP-FPM, and many shared hosting plans are optimized for it. Ruby hosting usually requires more control over the runtime and dependencies (Bundler and gems), while PHP hosting is more commonly available with one-click setups and simpler file-based deployments.