From b0ee0172beed2230ac4415704f175b58d9322707 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Bidoul?= <stephane.bidoul@gmail.com>
Date: Wed, 26 Jan 2022 18:00:33 +0100
Subject: [PATCH] Improve dockerfile

This way the layer cache will work, while properly
detecting new kubectl releases
---
 Dockerfile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index 3e34766..00bdaab 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,8 +2,9 @@ FROM python:3.10
 
 LABEL maintainer="Stéphane Bidoul"
 
+ADD https://dl.k8s.io/release/stable.txt /tmp/kubectl-version.txt
 RUN curl -L \
-  "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl" \
+  "https://dl.k8s.io/release/$(cat /tmp/kubectl-version.txt)/bin/linux/amd64/kubectl" \
   -o /usr/local/bin/kubectl \
   && chmod +x /usr/local/bin/kubectl