java memory updates

vanilla/Dockerfile

@@ -5,6 +5,9 @@ LABEL maintainer "fithwum"
 ENV ACCEPT_EULA=""
 ENV GAME_PORT=""
 ENV MC_VERSION=""
+ENV XMX=""
+ENV XMS=""
+ENV XMN=""
 
 # URL's for files
 ARG INSTALL_SCRIPT=https://gitlab.fithwum.tech/fithwum/minecraft/-/raw/master/vanilla/install_script.sh

vanilla/run.sh

@@ -6,7 +6,7 @@ cd /MCserver
 JAR=./MCserver-*.jar
 
 while [ true ]; do
-  java -Xmx4G -Xms1G -Xmn1G -jar $JAR nogui
+  java -Xmx$XMX -Xms$XMS -Xmn$XMN -jar $JAR nogui
   if [ $? -eq 0 ]; then
     break
   fi