Docker Overviewer for Minecraft 1.19+

Uses https://github.com/overviewer/Minecraft-Overviewer/ from overviewer.org and provides a Docker container.

Tutorial (german) https://marc.tv/overviewer-minecraft-docker-synology/

VIDEO: How to install Overviewer on a Synology NAS

https://youtu.be/SqufPMfZdd0

mount volumes

server folder:

minecraft server directory that contains the map folder.

export folder:

writeable folder for the exported files

config folder:

Folder with config.py (optional) by default the config_sample/config.py file is used

minimal example

    docker run \
      --rm \
      -v /Users/mtoe/Documents/mcserver/:/tmp/server/:ro \
      -v /Users/mtoe/Documents/export/:/tmp/export/:rw \
      -it marctv/minecraft-overviewer

use your own config

    docker run \
      --rm \
      -v /Users/mtoe/Documents/mcserver/:/tmp/server/:ro \
      -v config_sample/:/tmp/config/:ro \
      -v /Users/mtoe/Documents/export/:/tmp/export/:rw \
      -it marctv/minecraft-overviewer

example config.py

# sample config.py script for viewer

worlds["world"] = "/tmp/server/world/"
texturepath = "/tmp/overviewer/client.jar"
outputdir = "/tmp/export/"
defaultzoom = 5

renders["day"] = {
    'world': 'world',
    'title': 'Day',
    'rendermode': 'normal',
    "dimension": "overworld",
}

advanced example with --genpoi parameter as an environment variable

  docker run \
    --rm \
    -v /Users/mtoe/Documents/mcserver/:/tmp/server/:ro \
    -v /Users/mtoe/Documents/Docker-Minecraft-Overviewer/config_test/:/tmp/config/:ro \
    -v /Users/mtoe/Documents/export/:/tmp/export/:rw \
    -e overviewerParams="--genpoi" \
    -it marctv/minecraft-overviewer

generate png file

docker run \
  --rm \
  -v $(pwd)/mcserver-test/:/tmp/server/:ro \
  -v $(pwd)/config_sample/:/tmp/config/:ro \
  -v $(pwd)/export/:/tmp/export/:rw \
  -it --entrypoint "/usr/bin/python3" marctv/minecraft-overviewer-local /tmp/overviewer/contrib/png-it.py --memory-limit 12000 --zoom-level 6 --output /tmp/export/full.png /tmp/export/day/