FROM openjdk:21

WORKDIR /minecraft

# Copy the Minecraft server JAR
COPY server.jar /minecraft

# Exposing the Minecraft server port
EXPOSE 7860

# Setting the JVM options
ENV JAVA_OPTS="-Xmx1024M -Xms1024M"

# Automatically agree to the EULA. Note: Make sure you have
# actually read and agree to the EULA at https://account.mojang.com/documents/minecraft_eula
RUN echo "eula=true" > /minecraft/eula.txt

# Create a user as running as root is not advisable
RUN useradd -m -d /minecraft -s /bin/false minecraft && chown -R minecraft:minecraft /minecraft
USER minecraft

CMD java ${JAVA_OPTS} -jar server.jar --port 7860