From d926063a6e25121b169f79ebbc3b9778c09c393f Mon Sep 17 00:00:00 2001
From: Hanjo Meinhardt <hanjo.meinhardt@kiwigrid.com>
Date: Fri, 24 Aug 2018 14:12:11 +0200
Subject: [PATCH] added kubectl to image

---
 .drone.yml | 14 +++++++-------
 Dockerfile |  5 +++++
 2 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/.drone.yml b/.drone.yml
index d4932ca..d0ed112 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -1,21 +1,21 @@
 pipeline:
 
-  build:
-    image: alpine:edge
-    commands:
-      - sed -i 's@<VERSION>@${VERSION}@' Dockerfile
-
   docker:
     image: plugins/docker
     repo: bunix42/google-cloud-sdk
     build_args:
       - BASE_IMAGE=google/cloud-sdk:${VERSION}
+      - KUBECTL_VERSION=${KUBECTL_VERSION}
     tags:
-     - ${VERSION}
+     - ${VERSION}_kubectl-${KUBECTL_VERSION}
     secrets: [ docker_username, docker_password ]
     when:
       branch: master
 
 matrix:
   VERSION:
-    - 193.0.0-alpine
\ No newline at end of file
+    - 193.0.0-alpine
+  KUBECTL_VERSION:
+    - v1.9.10
+    - v1.10.7
+    - v1.11.2
diff --git a/Dockerfile b/Dockerfile
index 38fe17b..664b626 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,3 +3,8 @@ FROM $BASE_IMAGE
 
 RUN apk add -U --no-cache openssl
 
+# download and install kubectl
+ARG KUBECTL_VERSION
+
+RUN curl -L https://storage.googleapis.com/kubernetes-release/release/$KUBECTL_VERSION/bin/linux/amd64/kubectl -o /usr/bin/kubectl \
+	&& chmod +x /usr/bin/kubectl