Docker – How to Build & Get Started with Java 7 Container

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This article represents tips and code samples on how to build a Java7 docker image and start Java 7containers. Please feel free to comment/suggest if I missed to mention one or more important points. Also, sorry for the typos.

Following are the key points described later in this article:

  • Dockerfile to Build Java 7 Image
  • Command to Start Java 7 Container

 

Dockerfile to Build Java 7 Image

Following is the code for Dockerfile which could be used to build Java 7 image:

FROM centos:centos6

RUN mkdir /opt/jdk
RUN cd /opt

RUN yum -y install wget tar

RUN wget --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/7u79-b15/jdk-7u79-linux-x64.tar.gz

RUN tar -zxf jdk-7u79-linux-x64.tar.gz -C /opt/jdk

RUN update-alternatives --install /usr/bin/java java /opt/jdk/jdk1.7.0_79/bin/java 100
RUN update-alternatives --install /usr/bin/javac javac /opt/jdk/jdk1.7.0_79/bin/javac 100

Save the above file as java7.df. In the same folder, execute the following command. It would build the image with name as “java7”.

docker build -t java7 -f java7.df .

Note that “java7” is name of the image and “java7.df” is the dockerfile.

 

Command to Start Java 7 Container

Once the image is built, you could start as many containers with following command:

# Start the container, namely, java7_container, using the image java7
docker run --privileged=true -ti -dP --name java7_container -v /c/Users:/mnt/Users java7 /bin/bash

# Access the container
docker exec -ti java7_container /bin/bash

 

Ajitesh Kumar

Ajitesh Kumar

Ajitesh is passionate about various different technologies including programming languages such as Java/JEE, Javascript, PHP, .NET, C/C++, mobile programming languages etc and, computing fundamentals such as application security, cloud computing, API, mobile apps, google glass, big data etc.Recently, he has been digging deep into the field of data science and machine learning.

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