Dockerfile
----
FROM jenkins/jnlp-slave:latest
USER root
SHELL ["/bin/bash", "-c"]
RUN chown -R jenkins:jenkins /home/jenkins
COPY fcb.sh /home/jenkins
RUN /home/jenkins/fcb.sh
#RUN bash -x /usr/local/sdkman/bin/sdkman-init.sh \
# && sdk install gradle 2.14.1

USER jenkins
---
fcb.sh

#!/bin/bash
apt-get -y update
apt-get -y upgrade
apt-get -y --no-install-recommends install zip lsb-release jq gatling apt-transport-https
apt-get -y autoremove
apt-get -y clean
export SDKMAN_DIR="/usr/local/sdkman"
curl -s "https://get.sdkman.io" | bash
chown -R jenkins:jenkins /home/jenkins/ /usr/local/sdkman/
bash -x /usr/local/sdkman/bin/sdkman-init.sh
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
touch /etc/apt/sources.list.d/kubernetes.list
echo "deb http://apt.kubernetes.io/ kubernetes-xenial main" | tee -a /etc/apt/sources.list.d/kubernetes.list
apt-get update
apt-get install -y kubectl
apt-get -y autoremove
apt-get -y clean
export CLOUD_SDK_REPO="cloud-sdk-$(lsb_release -c -s)"
echo "deb http://packages.cloud.google.com/apt $CLOUD_SDK_REPO main" | tee -a /etc/apt/sources.list.d/google-cloud-sdk.list
curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
apt-get update -y && apt-get install google-cloud-sdk -y
curl https://raw.githubusercontent.com/kubernetes/helm/master/scripts/get | bash
sdk install gradle 2.14.1