Name		Name	Last commit message	Last commit date
parent directory ..
groovy		groovy
pipelines		pipelines
Dockerfile		Dockerfile
README.md		README.md
install-plugins.sh		install-plugins.sh
jenkins-support		jenkins-support
jenkins.sh		jenkins.sh
plugins.sh		plugins.sh
plugins.txt		plugins.txt
tini-shim.sh		tini-shim.sh
tini_pub.gpg		tini_pub.gpg

README.md

build

copy your groovy scripts and Jenkins pipeline files under groovy and pipelines folder.
update plugins list if you added or removed any plugin.

Run groovy script in Jenkins Script console to see latest installed plugin list.

build docker image under build folder

/build$ docker build -t <image>:<tag> .