From e36a5e111c25079e5e10d21b8b8f46a05efcf462 Mon Sep 17 00:00:00 2001 From: David Heinemeier Hansson Date: Wed, 15 Feb 2023 18:08:26 +0100 Subject: [PATCH] Make a note about the /up requirement --- README.md | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index ec46e9f5..fc1d5f51 100644 --- a/README.md +++ b/README.md @@ -20,7 +20,9 @@ env: - RAILS_MASTER_KEY ``` -Then edit your `.env` file to add your registry password as `MRSK_REGISTRY_PASSWORD` (and your `RAILS_MASTER_KEY` for production with a Rails app). +Then edit your `.env` file to add your registry password as `MRSK_REGISTRY_PASSWORD` (and your `RAILS_MASTER_KEY` for production with a Rails app). + +Finally, you have to ensure your application can answer 200 OK to a GET /up request. That's how the zero-downtime deploy process knows that your new version is ready to serve traffic. Now you're ready to deploy to the servers: