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This docker image provides a Minecraft Server

To simply use, run

docker run -d -p 25565:25565 v6net/minecraft-server

where the standard server port, 25565, will be exposed on your host machine.

If you want to serve up multiple Minecraft servers or just use an alternate port,
change the host-side port mapping such as

docker run -p 25566:25565 ...

will serve your Minecraft server on your host's port 25566 since the -p syntax is

Speaking of multiple servers, it's handy to give your containers explicit names using --name, such as

docker run -d -p 25565:25565 --name mc v6ne/minecraft-server

With that you can easily view the logs, stop, or re-start the container:

docker logs -f mc
    ( Ctrl-C to exit logs action )

docker stop mc

docker start mc

Interacting with the server

In order to attach and interact with the Minecraft server, add -it when starting the container, such as

docker run -d -it -p 25565:25565 --name mc v6net/minecraft-server

With that you can attach and interact at any time using

docker attach mc

and then Control-p Control-q to detach.

For remote access, configure your Docker daemon to use a tcp socket (such as -H tcp://
and attach from another machine:

docker -H $HOST:2375 attach mc

Unless you're on a home/private LAN, you should enable TLS access.

EULA Support

Mojang now requires accepting the Minecraft EULA. To accept add

    -e EULA=TRUE

such as

    docker run -d -it -e EULA=TRUE -p 25565:25565 v6net/minecraft-server

Attaching data directory to host filesystem

In order to readily access the Minecraft data, use the -v argument
to map a directory on your host machine to the container's /minecraft-server directory, such as:

docker run -d -v /path/on/host:/minecraft-server ...

When attached in this way you can stop the server, edit the configuration under your attached /path/on/host
and start the server again with docker start CONTAINERID to pick up the new configuration.

NOTE: By default, the files in the attached directory will be owned by the host user with UID of 1000.
You can use an different UID by passing the option:

-e UID=1000

replacing 1000 with a UID that is present on the host.
Here is one way to find the UID given a username:

grep some_host_user /etc/passwd|cut -d: -f3

Server configuration

Server version

Default server version is 1.10.2. Other versions can be used by using VERSION environment variable, such as

docker run -d -e VERSION=1.10.2 ...

Op/Administrator Players

To add more "op" (aka adminstrator) users to your Minecraft server, pass the Minecraft usernames separated by commas via the OPS environment variable, such as

docker run -d -e OPS=user1,user2 ...

Server icon

A server icon can be configured using the ICON variable. The image will be automatically
downloaded (image must be 64x64 PNG format):

docker run -d -e ICON=http://..../some/image.png ...

Level Seed

If you want to create the Minecraft level with a specific seed, use SEED, such as

docker run -d -e SEED=1785852800490497919 ...

Game Mode

By default, Minecraft servers are configured to run in Survival mode. You can
change the mode using MODE where you can either provide the standard
numerical values
or the
shortcut values:

  • creative
  • survival

For example:

docker run -d -e MODE=creative ...

Message of the Day

The message of the day, shown below each server entry in the UI, can be changed with the MOTD environment variable, such as

docker run -d -e 'MOTD=My Server' ...

If you leave it off, the last used or default message will be used. The example shows how to specify a server
message of the day that contains spaces by putting quotes around the whole thing.

PVP Mode

By default servers are created with player-vs-player (PVP) mode enabled. You can disable this with the PVP
environment variable set to false, such as

docker run -d -e PVP=false ...

World Save Name

You can either switch between world saves or run multiple containers with different saves by using the LEVEL option,
where the default is "world":

docker run -d -e LEVEL=bonus ...

NOTE: if running multiple containers be sure to either specify a different -v host directory for each
LEVEL in use or don't use -v and the container's filesystem will keep things encapsulated.

JVM Configuration

Memory Limit

The Java memory limit can be adjusted using the JVM_OPTS environment variable, where the default is
the setting shown in the example (max and min at 1024 MB):

docker run -e 'JVM_OPTS=-Xmx1024M -Xms1024M' ...
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