新增learn-kubernetes（https://github.com/yyong-brs/learn-kubernetes）相关文件

learn/learn-kubernetes-master/kiamol/ch21/docker-images/serverless-cli/Dockerfile

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+FROM node:12
+
+ENV SERVERLESS_VERSION="1.77.1" \
+    KUBERNETES_VERSION="1.18.5" 
+
+RUN npm install -g serverless@${SERVERLESS_VERSION}
+
+RUN curl -LO https://storage.googleapis.com/kubernetes-release/release/v${KUBERNETES_VERSION}/bin/linux/amd64/kubectl && \
+    chmod +x kubectl && \
+    mv kubectl /usr/local/bin/
+
+COPY start.sh /
+RUN chmod +x /start.sh
+CMD /start.sh
+WORKDIR /kiamol

learn/learn-kubernetes-master/kiamol/ch21/docker-images/serverless-cli/start.sh

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+#!/bin/sh
+
+# set up access to Kube API
+kubectl config set-cluster default --server=https://kubernetes.default.svc.cluster.local --certificate-authority=/var/run/secrets/kubernetes.io/serviceaccount/ca.crt
+kubectl config set-context default --cluster=default
+kubectl config set-credentials user --token=$(cat /var/run/secrets/kubernetes.io/serviceaccount/token)
+kubectl config set-context default --user=user
+kubectl config use-context default
+
+cd /
+git clone https://github.com/sixeyed/kiamol
+
+while true; do sleep 1000; done