Added memorysize env variable

.gitignore

@@ -0,0 +1,2 @@
+
+.DS_Store

Dockerfile

@@ -39,6 +39,11 @@ WORKDIR /data
 ###########################################
 COPY --from=build /opt/minecraft/server/paperspigot.jar /opt/minecraft/server/paperspigot.jar
 
+############################
+### Obtain server config ###
+###########################
+ADD server.properties /opt/minecraft/server/server.properties
+
 ###############
 ### Volumes ###
 ###############
@@ -53,6 +58,7 @@ ADD https://github.com/itzg/rcon-cli/releases/download/${RCON_CLI_VER}/rcon-cli_
 RUN tar -x -C /usr/local/bin -f /tmp/rcon-cli.tgz rcon-cli && \
   rm /tmp/rcon-cli.tgz
 
+
 #############################
 ### Expose minecraft port ###
 #############################
@@ -61,5 +67,8 @@ EXPOSE 25565
 ######################################
 ### Entrypoint is the start script ###
 ######################################
+ARG memory_size=3G
+ENV MEMORYSIZE=$memory_size
+
 WORKDIR /data
-ENTRYPOINT /opt/jdk1.8.0_192/jre/bin/java -jar -Xms3G -Xmx3G -XX:+UseG1GC -XX:+UnlockExperimentalVMOptions -XX:MaxGCPauseMillis=100 -XX:+DisableExplicitGC -XX:TargetSurvivorRatio=90 -XX:G1NewSizePercent=50 -XX:G1MaxNewSizePercent=80 -XX:G1MixedGCLiveThresholdPercent=35 -XX:+AlwaysPreTouch -XX:+ParallelRefProcEnabled -Dusing.aikars.flags=mcflags.emc.gs -Dcom.mojang.eula.agree=true /opt/minecraft/server/paperspigot.jar
+ENTRYPOINT /opt/jdk1.8.0_192/jre/bin/java -jar -Xms$MEMORYSIZE -Xmx$MEMORYSIZE -XX:+UseG1GC -XX:+UnlockExperimentalVMOptions -XX:MaxGCPauseMillis=100 -XX:+DisableExplicitGC -XX:TargetSurvivorRatio=90 -XX:G1NewSizePercent=50 -XX:G1MaxNewSizePercent=80 -XX:G1MixedGCLiveThresholdPercent=35 -XX:+AlwaysPreTouch -XX:+ParallelRefProcEnabled -Dusing.aikars.flags=mcflags.emc.gs -Dcom.mojang.eula.agree=true /opt/minecraft/server/paperspigot.jar

restart_docker.sh

@@ -0,0 +1,27 @@
+#!/bin/sh
+# Marc Tönsing - V1.2 - 18.05.2018
+# Minecraft Server restart
+mkdir ran
+echo "Starting countdown via rcon-cli."
+docker exec -i mcserver rcon-cli --port 25575 --password mcserver say Server is restarting in 30 seconds!
+sleep 23s
+docker exec -i mcserver rcon-cli --port 25575 --password mcserver say Server is restarting in 7 seconds!
+sleep 1s
+docker exec -i mcserver rcon-cli --port 25575 --password mcserver say Server is restarting in 6 seconds!
+sleep 1s
+docker exec -i mcserver rcon-cli --port 25575 --password mcserver say Server is restarting in 5 seconds!
+sleep 1s
+docker exec -i mcserver rcon-cli --port 25575 --password mcserver say Server is restarting in 4 seconds!
+sleep 1s
+docker exec -i mcserver rcon-cli --port 25575 --password mcserver say Server is restarting in 3 seconds!
+sleep 1s
+docker exec -i mcserver rcon-cli --port 25575 --password mcserver say Server is restarting in 2 seconds!
+sleep 1s
+docker exec -i mcserver rcon-cli --port 25575 --password mcserver say Server is restarting in 1 second!
+sleep 1s
+echo "Stopping server."
+docker exec -i mcserver rcon-cli --port 25575 --password mcserver say Closing server...
+docker exec -i mcserver rcon-cli --port 25575 --password mcserver stop
+sleep 15s
+echo "Restarting now."
+/var/services/homes/mtoensing/Minecraft-Paper-Server/run_docker.sh

run_docker.sh

@@ -1,6 +1,6 @@
 docker run \
   --rm \
   --name mcserver \
-  -v ~/server:/data:rw \
-  -p 25565:25565/udp \
+  -v /var/services/homes/mtoensing/server:/data:rw \
+  -p 25565:25565 \
 -i minecraftpaperserver:latest

run_docker_bash.sh

@@ -0,0 +1,7 @@
+docker run \
+  --rm \
+  --name mcserver \
+  --entrypoint=/bin/bash \
+  -v ~/server:/data:rw \
+  -p 25565:25565 \
+  -itd minecraftpaperserver:latest

server.properties

@@ -0,0 +1,44 @@
+#Minecraft server properties
+#Wed Dec 19 15:40:50 GMT 2018
+generator-settings=
+force-gamemode=false
+allow-nether=true
+enforce-whitelist=false
+gamemode=0
+broadcast-console-to-ops=true
+enable-query=true
+player-idle-timeout=0
+difficulty=1
+broadcast-rcon-to-ops=true
+spawn-monsters=true
+op-permission-level=4
+pvp=true
+snooper-enabled=true
+level-type=DEFAULT
+rcon.ip=
+hardcore=false
+enable-command-block=false
+max-players=9
+network-compression-threshold=256
+resource-pack-sha1=
+max-world-size=29999984
+rcon.port=25575
+server-port=25565
+debug=false
+server-ip=
+spawn-npcs=true
+allow-flight=false
+level-name=world
+view-distance=10
+resource-pack=
+spawn-animals=true
+white-list=false
+rcon.password=mcserver
+generate-structures=true
+online-mode=true
+max-build-height=256
+level-seed=
+prevent-proxy-connections=false
+use-native-transport=true
+enable-rcon=true
+motd=A DOCKER Minecraft Server