From de126436ef322735c5e72f50cbd575bc2f0484a6 Mon Sep 17 00:00:00 2001
From: Chris <76159444+hunchr@users.noreply.github.com>
Date: Wed, 14 Jan 2026 13:36:15 +0000
Subject: [PATCH 1/2] Add URL rewriting in Rails

---
 go_live.md | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/go_live.md b/go_live.md
index 182eb33a..4507d4cf 100644
--- a/go_live.md
+++ b/go_live.md
@@ -37,6 +37,23 @@ When preparing your app for production on Deploio, ensure the following:
 
 For detailed instructions and best practices, including quick start guides for a variety of frameworks, please refer to the [Deploio deployment documentation](https://guides.deplo.io/user-guide/network-and-deployment.html#network-deployment).
 
+### URL rewriting in Rails
+
+To prevent the default host (e.g. `main.a1b2c3d.deploio.app`) from being indexed by search engines,
+add the following to the `config/routes.rb` file:
+
+```rb
+Rails.application.routes.draw do
+  if (app_host = ENV["APP_HOST"]).present?
+    match "*path", constraints: ->(req) { req.host != app_host && !req.path.start_with?("/.well-known/") },
+                   to: redirect { |_params, req| "https://#{app_host}#{req.fullpath}" }, via: :all
+  end
+end
+```
+
+Ensure that all custom hostnames are configured on Deploio.
+For example, if the app host is `example.com`, configure `example.com`, `www.example.com`, and `example-main.renuoapp.ch`.
+
 ## Heroku
 
 * Check the size and amount of dynos on Heroku

From 71b2e636f0d85fc8ad6dc036f0412c32824c009d Mon Sep 17 00:00:00 2001
From: Chris <76159444+hunchr@users.noreply.github.com>
Date: Thu, 15 Jan 2026 08:29:06 +0000
Subject: [PATCH 2/2] Update

---
 go_live.md | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/go_live.md b/go_live.md
index 4507d4cf..9b7bde26 100644
--- a/go_live.md
+++ b/go_live.md
@@ -39,8 +39,10 @@ For detailed instructions and best practices, including quick start guides for a
 
 ### URL rewriting in Rails
 
-To prevent the default host (e.g. `main.a1b2c3d.deploio.app`) from being indexed by search engines,
-add the following to the `config/routes.rb` file:
+Ensure that all custom hostnames are configured on Deploio. For example, if the app host
+is `example.com`, configure `example.com`, `www.example.com`, and `example-main.renuoapp.ch`.
+
+Then, redirect everything to the main hostname by adding the following to your `config/routes.rb` file:
 
 ```rb
 Rails.application.routes.draw do
@@ -51,9 +53,6 @@ Rails.application.routes.draw do
 end
 ```
 
-Ensure that all custom hostnames are configured on Deploio.
-For example, if the app host is `example.com`, configure `example.com`, `www.example.com`, and `example-main.renuoapp.ch`.
-
 ## Heroku
 
 * Check the size and amount of dynos on Heroku