FROM openjdk:alpine MAINTAINER Antoine Rey <antoine.rey@free.fr> # Spring Boot application creates working directories for Tomcat by default VOLUME /tmp ADD petclinic.war petclinic.war RUN sh -c 'touch /petclinic.war' # To reduce Tomcat startup time we added a system property pointing to "/dev/urandom" as a source of entropy. ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/petclinic.war"]