FROM ubuntu:20.04

RUN set -e -x ;\
    export DEBIAN_FRONTEND=noninteractive ;\
    apt-get -y update ;\
    apt-get -y upgrade ;\
    apt-get -y install git openjdk-8-jre-headless wget unzip

RUN set -e -x ;\
    useradd -rm minecraft

USER minecraft
WORKDIR /home/minecraft

RUN set -e -x ;\
    wget --quiet -O server.jar https://launcher.mojang.com/v1/objects/1b557e7b033b583cd9f66746b7a9ab1ec1673ced/server.jar