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Dockerfile

@@ -8,11 +8,14 @@ RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo '$TZ' > /etc/timezone
  
 ENV LANG C.UTF-8
 
-ARG JAR_FILE
-ADD target/${JAR_FILE} /data/app.jar
-#ENTRYPOINT ["java", "-jar","/data/app.jar"]
 
-#定义jvm参数变量
-ENV JAVA_OPTS="-server -Xms1024m -Xmx1024m -XX:PermSize=256M -XX:MaxPermSize=512M"
+ARG JAVA_ARG
+ENV JAVA_OPTS=$JAVA_ARG
+ADD target/${JAR_FILE} /data/app.jar
+ENV jar /data/app.jar
+ENV workdir /data/app/
+RUN mkdir -p ${workdir}
+COPY ${jar} ${workdir}
+WORKDIR ${workdir}
 
-ENTRYPOINT java ${JAVA_OPTS} -Djava.security.egd=file:/dev/./urandom -jar /data/app.jar
+ENTRYPOINT ["sh", "-ec", "exec java  ${JAVA_OPTS} -jar ${jar} "]
\ No newline at end of file

Dockerfile2

+FROM dockerhub.linkfern.com/b2c/jdk1.8_image:V1.0.0
+EXPOSE 20001
+
+#定义时区参数
+ENV TZ=Asia/Shanghai 
+#设置时区
+RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo '$TZ' > /etc/timezone
+ 
+ENV LANG C.UTF-8
+
+ARG JAR_FILE
+ADD target/${JAR_FILE} /data/app.jar
+#ENTRYPOINT ["java", "-jar","/data/app.jar"]
+
+#定义jvm参数变量
+ENV JAVA_OPTS="-server -Xms1024m -Xmx1024m -XX:PermSize=256M -XX:MaxPermSize=512M"
+
+ENTRYPOINT java ${JAVA_OPTS} -Djava.security.egd=file:/dev/./urandom -jar /data/app.jar