Add kubectl

Author: adriananeci

Dockerfile

@@ -17,4 +17,9 @@ RUN apk add --no-cache ca-certificates openssl
 # processes/io
 RUN apk add --no-cache htop atop strace iotop sysstat ltrace ncdu logrotate hdparm pciutils psmisc tree pv
 
+# kubectl
+RUN curl -LO "https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl" \
+    && chmod +x ./kubectl \
+    && mv ./kubectl /usr/local/bin/kubectl
+
 CMD [ "bash" ]