From d52af54d814910e4559ab53af3133b17aed8c38b Mon Sep 17 00:00:00 2001
From: "blink-so[bot]" <211532188+blink-so[bot]@users.noreply.github.com>
Date: Wed, 20 Aug 2025 17:18:47 +0000
Subject: [PATCH] Add healthcheck to JupyterLab module

Adds /api/status healthcheck to prevent the app from showing as ready
before JupyterLab server is fully started and responding.

Fixes: https://github.com/coder/registry/issues/345
---
 registry/coder/modules/jupyterlab/main.tf | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/registry/coder/modules/jupyterlab/main.tf b/registry/coder/modules/jupyterlab/main.tf
index 1237d980..47fce254 100644
--- a/registry/coder/modules/jupyterlab/main.tf
+++ b/registry/coder/modules/jupyterlab/main.tf
@@ -79,4 +79,13 @@ resource "coder_app" "jupyterlab" {
   share        = var.share
   order        = var.order
   group        = var.group
-}
+
+  # Healthcheck ensures JupyterLab is fully ready before showing as available
+  # Test with: git clone https://github.com/coder/registry.git && cd registry/registry/coder/modules/jupyterlab
+  # Then use this module in a template to verify the app only appears when JupyterLab is responding
+  healthcheck {
+    url       = "http://localhost:${var.port}/api/status"
+    interval  = 5
+    threshold = 6
+  }
+}
\ No newline at end of file