update to 1.11.2

Dockerfile

-FROM cookielab/alpine:3.7.0
+FROM cookielab/alpine:3.8
 
 COPY src/connect.sh /usr/local/bin/kube-connect
 COPY src/service.sh /usr/local/bin/kube-deploy-service
@@ -6,7 +6,7 @@ COPY src/ingress.sh /usr/local/bin/kube-deploy-ingress
 COPY src/finish.sh /usr/local/bin/kube-finish-deploy
 COPY src/destroy.sh /usr/local/bin/kube-destroy
 
-RUN export KUBE_VERSION="v1.10.2" && \
+RUN export KUBE_VERSION="v1.11.2" && \
     apk --update --no-cache add ca-certificates bash curl && \
     curl -L https://storage.googleapis.com/kubernetes-release/release/${KUBE_VERSION}/bin/linux/amd64/kubectl -o /usr/local/bin/kubectl && \
     chmod +x /usr/local/bin/kubectl