For 8u212+
docker run -d -p 8080:8080 -e "JAVA_TOOL_OPTIONS=-Djava.security.egd=file:/dev/./urandom -XX:InitialRAMFraction=2 -XX:MinRAMFraction=2 -XX:MaxRAMFraction=2 -XX:+UseG1GC -XX:MaxGCPauseMillis=100 -XX:+UseStringDeduplication" -m 1g myimage
docker exec -ti 16f7 java -XshowSettings:vm -XX:+PrintCommandLineFlags -version