Import an existing minecraft server world into a new docker container

importworld.sh

#!/bin/bash

if [ ! -d "$1" ]; then
    echo Unknown directory $1, aborting.
    exit 1
fi

re='^[0-9]+$'
if ! [[ $2 =~ $re ]]; then
    echo Second argument must be the port number. Abording.
    exit 2
fi

WORLD=`basename $1`
echo Importing $WORLD from $1.

docker create -e EULA=TRUE -e TYPE=PAPER -e ONLINE_MODE=FALSE -p $2:25565 --name MC-$WORLD itzg/minecraft-server --noconsole
docker cp $1/. MC-$WORLD:/data/
docker start MC-$WORLD