Update Dockerfile

FROM anapsix/alpine-java:8_jdk

RUN cd /tmp 

WORKDIR /tmp

RUN wget http://archive.apache.org/dist/maven/maven-3/3.6.1/binaries/apache-maven-3.6.1-bin.tar.gz

RUN tar -zxvf apache-maven-3.6.1-bin.tar.gz && rm apache-maven-3.6.1-bin.tar.gz && mv apache-maven-3.6.1 /usr/lib/mvn

RUN chown -R root:root /usr/lib/mvn

RUN source /etc/profile

#RUN zkServer.sh start

RUN apk add --no-cache git npm nginx mariadb mariadb-client mariadb-server-utils pwgen

RUN cd /opt

WORKDIR /opt

RUN git clone https://github.com/analysys/EasyScheduler.git

#RUN cd /opt/EasyScheduler

#RUN mvn -U clean package assembly:assembly -Dmaven.test.skip=true

#RUN mv /opt/EasyScheduler/target/escheduler-1.0.0-SNAPSHOT /opt/easyscheduler

#RUN rm -rf /var/cache/apk/*

WORKDIR /opt/EasyScheduler

RUN mvn -U clean package assembly:assembly -Dmaven.test.skip=true

RUN mv /opt/EasyScheduler/target/escheduler-1.0.0-SNAPSHOT /opt/easyscheduler

RUN rm -rf /var/cache/apk/*