Dynamically set JAVA_HOME of docker container

Question

My docker container requires JAVA_HOME to be set. I have added it to the Dockerfile as below

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


        

Answer 1

May be you can do something like this in CMD :

# rpm -qa | grep java-1.8
java-1.8.0-openjdk-1.8.0.131-2.b11.el7_3.x86_64

and then

#rpm -ql java-1.8.0-openjdk | sed -n '1p' | cut -d/ -f1-5
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.131-2.b11.el7_3.x86_64