# Dev-only adjustments for GitHub Codespaces if Rails.env.development? && ENV["CODESPACES"] == "true" # Example: forwarded URLs like https://--.app.github.dev forwarding_domain = ENV["GITHUB_CODESPACES_PORT_FORWARDING_DOMAIN"] # typically "app.github.dev" # Append allowed hosts ONLY if Host Authorization is enabled (config.hosts is an Array). # If it's nil, Host Authorization is disabled and we leave it alone. if Rails.application.config.hosts.is_a?(Array) if forwarding_domain.present? Rails.application.config.hosts << /\A.*\.#{Regexp.escape(forwarding_domain)}\z/ end # Older/alternative preview domain Rails.application.config.hosts << /\A.*\.githubpreview\.dev\z/ end # If you use the VS Code "Preview" (iframe), you need SameSite=None; Secure # Codespaces serves over HTTPS, so secure: true is OK here. Rails.application.config.session_store :cookie_store, key: "_app_session", same_site: :none, secure: true # Behind the proxy, Origin can differ; relax the origin check instead of disabling CSRF entirely. Rails.application.config.action_controller.forgery_protection_origin_check = false end