chore(Dockerfile):添加oracle jdk的Dockerfile

baseimg/oracle_jdk8/Dockerfile

+FROM centos
+
+MAINTAINER zhangbin "bin.zhang@quantgroup.cn"
+
+WORKDIR /usr/local
+ADD jdk-8u144-linux-x64.tar.gz .
+
+ENV JAVA_HOME /usr/local/jdk1.8.0_144
+ENV bd $JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
+ENV PATH $PATH:$JAVA_HOME/bin
+# 为了减小生成的镜像的体积，删除包和jdk源码
+RUN rm -rf jdk-8u144-linux-x64.tar.gz ./jdk1.8.0_144/src.zip
+
+RUN alias "la=ls -al"
\ No newline at end of file