add command line interfaces for helm, kind, and openfaas

Dockerfile

@@ -2,11 +2,14 @@ FROM openjdk:8-jdk-slim
 
 MAINTAINER USU Software AG
 
+RUN echo "deb http://deb.debian.org/debian stretch-backports main" >> /etc/apt/sources.list
+
 RUN \
   apt-get update && \
   apt-get install -y -qq --no-install-recommends wget unzip python openssh-client python-openssl git-core jq curl vim gnupg2 && \
+  apt-get install -y -t stretch-backports golang-go && \
   apt-get clean && \
-  rm -rf /var/lib/apt/lists/* 
+  rm -rf /var/lib/apt/lists/*
 
 RUN \
   curl -s https://raw.githubusercontent.com/paulp/sbt-extras/master/sbt > /usr/local/bin/sbt && chmod 0755 /usr/local/bin/sbt && \
@@ -30,6 +33,18 @@ RUN curl -fsSLO https://download.docker.com/linux/static/stable/x86_64/docker-${
   && tar xzvf docker-${DOCKERVERSION}.tgz --strip 1 -C /usr/local/bin docker/docker \
   && rm docker-${DOCKERVERSION}.tgz
 
+ENV HELM_ARCHIVE=helm-v2.12.1-linux-amd64.tar.gz \
+    HELM_DIR=linux-amd64 \
+    FAAS_CLI_VERSION=0.8.5
+
+RUN curl -LsO https://storage.googleapis.com/kubernetes-helm/$HELM_ARCHIVE && tar -zxvf $HELM_ARCHIVE && cp $HELM_DIR/* /usr/local/bin
+
+RUN curl -LsO https://github.com/openfaas/faas-cli/releases/download/${FAAS_CLI_VERSION}/faas-cli && chmod +x faas-cli && cp faas-cli /usr/local/bin
+
+RUN go version
+RUN go get -u sigs.k8s.io/kind
+RUN cp $(go env GOPATH)/bin/* /usr/local/bin
+
 # Install node & npm
 RUN curl -sL https://deb.nodesource.com/setup_10.x | bash -
 RUN apt install -y nodejs && npm install -g [email protected]