Dockerfile JDK 8

Dockerfile

FROM ubuntu:16.04
ENV DEBIAN_FRONTEND noninteractive

RUN  sed -i.bak -r 's!(deb|deb-src) \S+!\1 mirror://mirrors.ubuntu.com/mirrors.txt!' /etc/apt/sources.list \
  && apt-get update  -y \
  && apt-get install -y software-properties-common \
  && add-apt-repository ppa:openjdk-r/ppa \
  && apt-get install -y openjdk-8-jdk \
  && rm -rf /var/lib/apt/lists/*

# java
ENV JAVA_HOME /usr/lib/jvm/java-8-openjdk-amd64