[Feature] Support customizing JVM memory options via JVM_OPTS environment variable (#4545)

Author: zhuxt2015

deploy/docker/Dockerfile

@@ -7,6 +7,7 @@ ARG FLINK_VERSION
 ENV FLINK_VERSION=${FLINK_VERSION}
 ENV DINKY_HOME=/opt/dinky/
 ENV H2_DB=./tmp/db/h2
+ENV JVM_OPTS="-XX:+UseContainerSupport -XX:InitialRAMPercentage=70.0 -XX:MaxRAMPercentage=70.0"
 
 
 USER root
@@ -18,7 +19,7 @@ ADD  build/dist/ /opt/dinky/config/static
 WORKDIR /opt/dinky/
 
 
-RUN mkdir /opt/dinky/customJar && chmod -R 777 /opt/dinky/ && sed -i 's/-Xms512M -Xmx2048M -XX:PermSize=512M/-XX:+UseContainerSupport -XX:InitialRAMPercentage=70.0 -XX:MaxRAMPercentage=70.0/g' ./bin/auto.sh
+RUN mkdir /opt/dinky/customJar && chmod -R 777 /opt/dinky/
 
 EXPOSE 8888
 

script/bin/auto.sh

@@ -180,7 +180,7 @@ JAR_PARAMS_OPT="--logging.config=${LOG_CONFIG}"
 # JMX path
 JMX="-javaagent:$APP_HOME/lib/jmx_prometheus_javaagent-0.20.0.jar=10087:$APP_HOME/config/jmx/jmx_exporter_config.yaml"
 #JVM OPTS
-JVM_OPTS="-Xms512M -Xmx2048M -XX:PermSize=512M -XX:MaxPermSize=1024M"
+JVM_OPTS="${JVM_OPTS:--Xms512M -Xmx2048M -XX:PermSize=512M -XX:MaxPermSize=1024M}"
 
 # Check whether the pid path exists
 PID_PATH="${APP_HOME}/run"