Managing Ruby Gems: Installing Mail, Selenium WebDriver, and RSpec

Setting up a robust development environment requires more than just writing code; you need to leverage the rich ecosystem of external libraries safely and efficiently. This text-based course guides you through the essentials of finding, installing, and managing Ruby gems. You will transition from manual, error-prone setups to professional dependency management. By understanding how the Ruby packaging ecosystem works, you will confidently configure libraries for automated testing, web scraping, and email handling in your projects. What you'll learn: - Understand core package management concepts, terminology, and command-line tools - Install and configure key utility gems including Mail, Selenium WebDriver, and RSpec - Manage project dependencies professionally using Bundler and Gemfiles - Apply semantic versioning constraints to keep your application stable - Troubleshoot common gem installation issues and dependency conflicts Starting with foundational definitions of gems and the RubyGems system, you will progress through practical command-line exercises to establish a clean, reproducible multi-gem environment. This course is designed for beginner Ruby developers, with no prior package management experience required. Start organizing your Ruby projects with professional dependency management today.