create_container.sh

#!/bin/sh
#create missing files...
(mkdir settings/ > /dev/null 2>&1) \
    && (echo "[]" > settings/ops.json) \
    && touch settings/server.properties \
    && (echo "[]" > settings/whitelist.json) \
    && (echo "[]" > settings/banned-ips.json) \
    && (echo "eula=true" > settings/eula.txt) \
    && (echo "[]" > settings/banned-players.json) \

mkdir world/ > /dev/null 2>&1
mkdir logs/ > /dev/null 2>&1
mkdir crash-reports/ > /dev/null 2>&1

#must be the same as settings/server.properties.level-name...
LEVEL_NAME=world

while getopts "m:n:i:t:" opt; do
    case $opt in
        m )
            MAX_MEMORY=$OPTARG
            ;;
        n )
            NAME=$OPTARG
            ;;
        i )
            IMAGE_TAG=$OPTARG
            ;;
        t )
            TYPE=$OPTARG
            ;;
        * )
            echo "Usage: create_container [-m] (max memory) [-n] (container name) [-i] (docker image tag) [-t] (type)"
            echo "Example: create_container -m 3GB -n -t spigot minecraft_test -i minecraft-server:test"
            exit 1
            ;;
    esac
done

#set default values...
[ -z "$MAX_MEMORY" ] \
    && MAX_MEMORY=2GB

[ -z "$NAME" ] \
    && ID=$(date +%N) \
    && NAME=minecraft_server_$ID

[ -z "$IMAGE_TAG" ] \
    && echo "No docker iamge specified for create_container.sh!" \
    && echo "Usage: build_image.sh -i (docker image tag)" \
    && exit 1

[ -z "$TYPE" ] \
    && TYPE=vanilla

#create generic command...
CMD="docker run -d \
    --name $NAME \
    -p 25565:25565 \
    -p 25575:25575 \
    --memory $MAX_MEMORY \
    --restart on-failure \
    --mount type=bind,source=$PWD/logs,target=/minecraft/logs \
    --mount type=bind,source=$PWD/world,target=/minecraft/$LEVEL_NAME \
    --mount type=bind,source=$PWD/settings/eula.txt,target=/minecraft/eula.txt \
    --mount type=bind,source=$PWD/settings/ops.json,target=/minecraft/ops.json \
    --mount type=bind,source=$PWD/crash-reports/,target=/minecraft/crash-reports \
    --mount type=bind,source=$PWD/settings/whitelist.json,target=/minecraft/whitelist.json \
    --mount type=bind,source=$PWD/settings/banned-ips.json,target=/minecraft/banned-ips.json \
    --mount type=bind,source=$PWD/settings/server.properties,target=/minecraft/server.properties \
    --mount type=bind,source=$PWD/settings/banned-players.json,target=/minecraft/banned-players.json"

#add the specific mounts...
case "$TYPE" in
    vanilla )
        ;;
    forge )
        CMD="$CMD \
            --mount type=bind,source=$PWD/mods,target=/minecraft/mods \
            --mount type=bind,source=$PWD/settings,target=/minecraft/config"
        mkdir mods/ > /dev/null 2>&1
        ;;
    spigot )
        CMD="$CMD \
            --mount type=bind,source=$PWD/settings/bukkit.yml,target=/minecraft/bukkit.yml \
            --mount type=bind,source=$PWD/settings/spigot.yml,target=/minecraft/spigot.yml \
            --mount type=bind,source=$PWD/settings/commands.yml,target=/minecraft/commands.yml \
            --mount type=bind,source=$PWD/plugins,target=/minecraft/plugins"
        touch settings/bukkit.yml
        touch settings/spigot.yml
        touch settings/commands.yml
        mkdir plugins/ > /dev/null 2>&1
        ;;
    paper )
        CMD="$CMD \
            --mount type=bind,source=$PWD/settings/paper.yml,target=/minecraft/paper.yml \
            --mount type=bind,source=$PWD/settings/permissions.yml,target=/minecraft/permissions.yml \
            --mount type=bind,source=$PWD/settings/help.yml,target=/minecraft/help.yml \
            --mount type=bind,source=$PWD/settings/bukkit.yml,target=/minecraft/bukkit.yml \
            --mount type=bind,source=$PWD/settings/spigot.yml,target=/minecraft/spigot.yml \
            --mount type=bind,source=$PWD/settings/commands.yml,target=/minecraft/commands.yml \
            --mount type=bind,source=$PWD/plugins,target=/minecraft/plugins"
        touch settings/bukkit.yml
        touch settings/spigot.yml
        touch settings/commands.yml
        touch settings/paper.yml
        touch settings/permissions.yml
        touch settings/help.yml
        mkdir plugins/ > /dev/null 2>&1
        ;;
    * )
        echo "$TYPE is an unsupported server type!"
        exit 1
        ;;
esac

#start the container...
$CMD "$IMAGE_TAG" \
    && echo "Your container's name is \e[1;31m$NAME\e[0m" \