From f8815656758dc9f55e1a439c42b1888974dd57ef Mon Sep 17 00:00:00 2001
From: yacchin1205 <968739+yacchin1205@users.noreply.github.com>
Date: Fri, 22 Apr 2022 02:10:24 +0000
Subject: [PATCH] Fix healthcheck for JupyterHub

---
 base-notebook/Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/base-notebook/Dockerfile b/base-notebook/Dockerfile
index 72d58605..944a7db6 100644
--- a/base-notebook/Dockerfile
+++ b/base-notebook/Dockerfile
@@ -175,7 +175,7 @@ RUN sed -re "s/c.ServerApp/c.NotebookApp/g" \
 # This healtcheck works well for `lab`, `notebook`, `nbclassic`, `server` and `retro` jupyter commands
 # https://github.com/jupyter/docker-stacks/issues/915#issuecomment-1068528799
 HEALTHCHECK  --interval=15s --timeout=3s --start-period=5s --retries=3 \
-    CMD wget -O- --no-verbose --tries=1 http://localhost:8888/api || exit 1
+    CMD wget -O- --no-verbose --tries=1 http://localhost:8888${JUPYTERHUB_SERVICE_PREFIX:-/}api || exit 1
 
 # Switch back to jovyan to avoid accidental container runs as root
 USER ${NB_UID}