Create start.sh
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start.sh
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#!/bin/bash
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set -e
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echo "==== Server Initialization ===="
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# --- Server Configuration ---
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echo ">> Setting up server environment..."
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if [ -f "server.properties" ]; then
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sed -i "s/^server-port=.*/server-port=7860/" server.properties
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sed -i "s/^query.port=.*/query.port=7860/" server.properties
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echo "✅ Port configured: 7860"
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else
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echo "⚠️ Using default configuration"
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fi
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# --- Data Setup ---
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echo ">> Loading world data..."
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if command -v python3 >/dev/null 2>&1 && [ -f "download_world.py" ]; then
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python3 download_world.py || echo "⚠️ Using default world"
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else
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echo "ℹ️ No custom data found"
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fi
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chmod -R 777 /app/world* 2>/dev/null || true
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chmod -R 777 /app/plugins 2>/dev/null || true
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echo "Available data folders:"
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ls -la /app/ | grep world || echo "No custom data - generating new"
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# --- Start Main Service ---
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echo ">> Starting main service on port 7860..."
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echo ">> Java: $(java -version 2>&1 | head -n 1)"
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echo ">> Memory: 8GB allocated"
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echo ">> CPU: Optimized for 2 cores with fast world generation"
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exec java -server -Xmx8G -Xms8G \
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-XX:+UseG1GC \
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-XX:+ParallelRefProcEnabled \
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-XX:ParallelGCThreads=2 \
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-XX:ConcGCThreads=1 \
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-XX:MaxGCPauseMillis=50 \
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-XX:+UnlockExperimentalVMOptions \
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-XX:+DisableExplicitGC \
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-XX:+AlwaysPreTouch \
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-XX:G1NewSizePercent=30 \
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-XX:G1MaxNewSizePercent=50 \
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-XX:G1HeapRegionSize=16M \
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-XX:G1ReservePercent=15 \
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-XX:G1HeapWastePercent=5 \
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-XX:G1MixedGCCountTarget=3 \
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-XX:InitiatingHeapOccupancyPercent=10 \
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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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-XX:G1SATBBufferEnqueueingThresholdPercent=30 \
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-XX:G1ConcMarkStepDurationMillis=5 \
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-XX:G1ConcRSHotCardLimit=16 \
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-XX:+UseStringDeduplication \
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-Dfile.encoding=UTF-8 \
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-Dcom.mojang.eula.agree=true \
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-jar purpur.jar --nogui
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