Create Dockerfile

Dockerfile

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+FROM openjdk:17-jdk-slim
+
+# Install wget & unzip
+RUN apt-get update && apt-get install -y wget unzip curl
+
+# Install ngrok
+RUN curl -s https://ngrok-agent.s3.amazonaws.com/ngrok.asc | tee /etc/apt/trusted.gpg.d/ngrok.asc > /dev/null \
+    && echo "deb https://ngrok-agent.s3.amazonaws.com buster main" | tee /etc/apt/sources.list.d/ngrok.list \
+    && apt-get update && apt-get install ngrok -y
+
+# Download Minecraft server
+WORKDIR /server
+RUN wget https://launcher.mojang.com/v1/objects/$(curl -s https://launchermeta.mojang.com/mc/game/version_manifest.json | grep -oP '"url":.*?"' | head -1 | cut -d '"' -f 4 | xargs curl -s | grep -oP '"server":.*?"' | cut -d '"' -f 4) -O server.jar
+
+# Accept EULA
+RUN echo "eula=true" > eula.txt
+
+# Expose Minecraft port
+EXPOSE 25565
+
+# Copy start script
+COPY start.sh /server/start.sh
+RUN chmod +x /server/start.sh
+
+CMD ["/server/start.sh"]