Major Description
The krb5 image based on a base image which is no longer available from dockerhub
See: hadoop-ozone/dist/src/main/compose/ozonesecure/docker-image/docker-krb5/Dockerfile-krb5
Dockerfile:
FROM frolvlad/alpine-oraclejdk8:slim
https://hub.docker.com/r/frolvlad/alpine-oraclejdk8
I propose to switch to openjdk:8u191-jdk-alpine3.8 but it should be tested with the acceptance test suite (A java base image is required as the issuer application creates keystores/truststores on the fly with the help of java keytool.