The Complete Guide to Dev Containers in Ruby on Rails - RorVsWild

From basic setup to advanced MCP integration: using Dev Containers for portable development environments that eliminate "works on my machine" problemsDev Containers are a lightweight, semi-standardized way to provision robust development environments for applications. They can be run locally, or in a cloud environment like Github Codespaces. Rails itself provides dev container images and features, and even a tool to create a Rails application without any prerequisites on your machine besides Docker being installed (rails-new). Additionally, you can pass --devcontainer to rails new when starting out with a greenfield Rails app. So let’s go and see what it’s all about.