diff --git a/Dockerfile b/Dockerfile
index d86a1c8..7229a0b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,12 +7,21 @@ ENV TZ="Asia/Shanghai"
 RUN mkdir -p /opt/logs
 RUN mkdir -p /logs
 
+RUN ulimit -n 65536
+
 ADD config/app.properties /opt/config/app.properties
 ADD config.properties /opt/config.properties
 ADD logback-spring.xml /opt/logback-spring.xml
 
 ADD emis-server.jar /opt/app.jar
 
+
+ADD jdk-8u202-linux-x64.tar.gz /usr/local/java/
+
+ENV JAVA_HOME=/usr/local/java/jdk1.8.0_202
+ENV CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
+ENV PATH=$JAVA_HOME/bin:$PATH
+
 WORKDIR /opt
 
 EXPOSE 11088