Initial version

Dockerfile

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+FROM debian
+
+ENV FACTORIO_SERVER_VERSION 0.14.21
+
+ENTRYPOINT ["/opt/defaults/start.sh"]
+EXPOSE 34197/udp
+CMD ["--help"]
+
+ADD https://www.factorio.com/get-download/${FACTORIO_SERVER_VERSION}/headless/linux64 /tmp/factorio.tgz
+ADD . /opt/defaults
+
+RUN set -ex \
+ && mkdir -p /opt \
+ && useradd -d /opt/factorio -M -u 10000 factorio \
+ && tar -C /opt -x -z -f /tmp/factorio.tgz \
+ && chown -R factorio:factorio /opt/factorio \
+ && rm /tmp/factorio.tgz
+
+USER factorio
+
+VOLUME /data
+WORKDIR /data

README.md

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+# Luzifer / factorio
+
+This repository contains a Docker setup for a headless [Factorio](https://www.factorio.com/) server.
+
+## Usage
+
+You need to have a directory to mount into your container which will afterwards contain your map, saves and also the configuration. In this example I will use `/data/factorio` as storage directory.
+
+1. At first you maybe want to initialize the configuration files:  
+`docker run --rm -v /data/factorio:/data quay.io/luzifer/factorio init`
+2. Afterwards you can edit the two settings files create in `/data/factorio` and adjust your settings.
+3. If you are okay with your `map-gen-settings.json` you can generate a map file:  
+`docker run --rm -v /data/factorio:/data quay.io/luzifer/factorio create`
+4. After the map has been generated (and for every future start) you can start the server:  
+`docker run --rm -v /data/factorio:/data -e 34197:34197 quay.io/luzifer/factorio start`
+
+The server will expose the port `34197/udp` for the game. The above command already exposes that port to the host machine.

map-gen-settings.json

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+{
+  "_comment": "Sizes can be specified as none, very-low, low, normal, high, very-high",
+
+  "terrain_segmentation": "normal",
+  "water": "normal",
+  "width": 0,
+  "height": 0,
+  "starting_area": "normal",
+  "peaceful_mode": false,
+  "autoplace_controls":
+  {
+    "coal": {"frequency": "normal", "size": "normal", "richness": "normal"},
+    "copper-ore": {"frequency": "normal", "size": "normal", "richness": "normal"},
+    "crude-oil": {"frequency": "normal", "size": "normal", "richness": "normal"},
+    "enemy-base": {"frequency": "normal", "size": "normal", "richness": "normal"},
+    "iron-ore": {"frequency": "normal", "size": "normal", "richness": "normal"},
+    "stone": {"frequency": "normal", "size": "normal", "richness": "normal"}
+  }
+}
+

server-settings.json

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+{
+  "name": "Name of the game as it will appear in the game listing",
+  "description": "Description of the game that will appear in the listing",
+  "tags": ["game", "tags"],
+
+  "_comment_max_players": "Maximum number of players allowed, admins can join even a full server. 0 means unlimited.",
+  "max_players": 0,
+
+  "_comment_visibility": ["public: Game will be published on the official Factorio matching server",
+                          "lan: Game will be broadcast on LAN"],
+  "visibility":
+  {
+    "public": false,
+    "lan": true
+  },
+
+  "_comment_credentials": "Your factorio.com login credentials. Required for games with visibility public",
+  "username": "",
+  "password": "",
+
+  "_comment_token": "Authentication token. May be used instead of 'password' above.",
+  "token": "",
+
+  "game_password": "",
+
+  "_comment_require_user_verification": "When set to true, the server will only allow clients that have a valid Factorio.com account",
+  "require_user_verification": true,
+
+  "_comment_max_upload_in_kilobytes_per_second" : "optional, default value is 0. 0 means unlimited.",
+  "max_upload_in_kilobytes_per_second": 0,
+
+  "_comment_minimum_latency_in_ticks": "optional one tick is 16ms in default speed, default value is 0. 0 means no minimum.",
+  "minimum_latency_in_ticks": 0,
+
+  "_comment_ignore_player_limit_for_returning_players": "Players that played on this map already can join even when the max player limit was reached.",
+  "ignore_player_limit_for_returning_players": false,
+
+  "_comment_allow_commands": "possible values are, true, false and admins-only",
+  "allow_commands": "admins-only",
+
+  "_comment_autosave_interval": "Autosave interval in minutes",
+  "autosave_interval": 10,
+
+  "_comment_autosave_slots": "server autosave slots, it is cycled through when the server autosaves.",
+  "autosave_slots": 5,
+
+  "_comment_afk_autokick_interval": "How many minutes until someone is kicked when doing nothing, 0 for never.",
+  "afk_autokick_interval": 0,
+
+  "_comment_auto_pause": "Whether should the server be paused when no players are present.",
+  "auto_pause": true,
+
+  "only_admins_can_pause_the_game": true,
+
+  "_comment_autosave_only_on_server": "Whether autosaves should be saved only on server or also on all connected clients. Default is true.",
+  "autosave_only_on_server": true,
+
+  "_comment_admins": "List of case insensitive usernames, that will be promoted immediately",
+  "admins": []
+}
+

start.sh

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+#!/bin/bash -e
+
+set -o pipefail
+
+ACTION=$1
+BINARY="/opt/factorio/bin/x64/factorio"
+MAP_FILE="mapfile.zip"
+
+case ${ACTION} in
+  "init")
+    echo "Initializing files in case they do not exist: map-gen-settings.json / server-settings.json"
+    [ -e map-gen-settings.json ] || cp /opt/defaults/map-gen-settings.json map-gen-settings.json
+    [ -e server-settings.json ] || cp /opt/defaults/server-settings.json server-settings.json
+    ;;
+  "create")
+    echo "Creating map at ${MAP_FILE} with settings from map-gen-settings.json"
+    [ -e map-gen-settings.json ] || cp /opt/defaults/map-gen-settings.json map-gen-settings.json
+    exec ${BINARY} --map-gen-settings map-gen-settings.json --create ${MAP_FILE}
+    ;;
+  "start")
+    echo "Starting game from map file ${MAP_FILE} with settings from server-settings.json"
+
+    if ! [ -e ${MAP_FILE} ]; then
+      echo "Error: There is no map file at ${MAP_FILE}. Use 'create' or put a map file at that location."
+      exit 1
+    fi
+
+    [ -e server-settings.json ] || cp /opt/defaults/server-settings.json server-settings.json
+    exec ${BINARY} --server-settings server-settings.json --start-server ${MAP_FILE}
+    ;;
+  *)
+    exec ${BINARY} "$@"
+    ;;
+esac