update 优化 Dockerfile 使用shell模式 支持环境变量传入jvm参数

ruoyi-visual/ruoyi-powerjob-server/Dockerfile

@@ -7,11 +7,11 @@ RUN mkdir -p /ruoyi/powerjob/logs
 
 WORKDIR /ruoyi/powerjob
 
-ENV LANG=C.UTF-8 LC_ALL=C.UTF-8
+ENV LANG=C.UTF-8 LC_ALL=C.UTF-8 JAVA_OPTS="-Xms512m -Xmx1024m"
 
 EXPOSE 7700
 
 ADD ./target/ruoyi-powerjob-server.jar ./app.jar
 
-ENTRYPOINT ["java", "-Djava.security.egd=file:/dev/./urandom", "-jar", "app.jar",
-            "-XX:+HeapDumpOnOutOfMemoryError", "-Xlog:gc*,:time,tags,level", "-XX:+UseZGC"]
+ENTRYPOINT java -Djava.security.egd=file:/dev/./urandom -jar app.jar \
+           -XX:+HeapDumpOnOutOfMemoryError -Xlog:gc*,:time,tags,level -XX:+UseZGC ${JAVA_OPTS}