Docker-Opengrok : Host opengrok on Docker.

How to build opengrok with ubuntu container

$ docker build -t ranjithum/opengrok-ubuntu -f Dockerfile.ubuntu .

How to build opengrok with centos8 container

$ docker build -t ranjithum/opengrok-centos -f Dockerfile.centos .

How to tag a image

$ docker tag <Iamge-Id> ranjithum/opengrok:centos8
$ docker tag <Iamge-Id> ranjithum/opengrok:ubuntu18

Push the image to docker hub

$ docker login docker.io
$ docker push ranjithum/opengrok:centos8
$ docker push ranjithum/opengrok:ubuntu18