67 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Docker
		
	
	
			
		
		
	
	
			67 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Docker
		
	
	
# Copyright (C) 2020 Jef Roosens
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program.  If not, see <https://www.gnu.org/licenses/>.
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FROM openjdk:8-slim
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# Build arguments
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ARG MC_VERSION
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ARG PAPERMC_VERSION
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# Create worlds and config directory
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WORKDIR /mc
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RUN mkdir worlds config
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# Download server file
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ADD "https://papermc.io/api/v1/paper/$MC_VERSION/$PAPERMC_VERSION/download" server.jar
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# Store the cache in an anonymous volume, which means it won't get stored in the other volumes
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VOLUME /mc/config/cache
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WORKDIR /mc/config
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# Default value to keep users from eating up all ram accidentally
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ENV XMS=4
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# We copy over the server jar(s) as well to make the backup more reproducible to deploy
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ENTRYPOINT mv -n /mc/*.jar /mc/config && \
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echo "eula=true" > /mc/config/eula.txt && \
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java \
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-Xms"${XMS}G" \
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-Xmx"${XMX:-$XMS}G" \
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-XX:+UseG1GC \
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-XX:+ParallelRefProcEnabled \
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-XX:MaxGCPauseMillis=200 \
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-XX:+UnlockExperimentalVMOptions \
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-XX:+DisableExplicitGC \
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-XX:+AlwaysPreTouch \
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-XX:G1NewSizePercent="$([ $XMS -gt 12 ] && echo 40 || echo 30)" \
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-XX:G1MaxNewSizePercent="$([ $XMS -gt 12 ] && echo 50 || echo 40)" \
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-XX:G1HeapRegionSize="$([ $XMS -gt 12 ] && echo 16 || echo 8)"M \
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-XX:G1ReservePercent="$([ $XMS -gt 12 ] && echo 15 || echo 20)" \
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-XX:G1HeapWastePercent=5 \
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-XX:G1MixedGCCountTarget=4 \
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-XX:InitiatingHeapOccupancyPercent="$([ $XMS -gt 12 ] && echo 20 || echo 15)" \
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-XX:G1MixedGCLiveThresholdPercent=90 \
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-XX:G1RSetUpdatingPauseTimePercent=5 \
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-XX:SurvivorRatio=32 \
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-XX:+PerfDisableSharedMem \
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-XX:MaxTenuringThreshold=1 \
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-Dusing.aikars.flags=https://mcflags.emc.gs \
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-Daikars.new.flags=true \
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-jar /mc/server.jar \
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--universe /mc/worlds \
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--nogui
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