Install, patch config files, and run.

Dockerfile

@@ -0,0 +1,9 @@
+FROM steamcmd/steamcmd:ubuntu
+
+RUN apt-get update && apt-get install -y libcurl4 && apt-get clean
+
+WORKDIR /game
+COPY start.sh /start.sh
+
+ENTRYPOINT [ "bash" ]
+CMD [ "/start.sh" ]

README.md

@@ -1,3 +1,37 @@
-# KillingFloor2Docker
+# Killing Floor 2 - Docker
 
 Dockerised Killing Floor 2 server.
+
+Run with the following environment variables:
+
+```
+SERVER_NAME       (default: KillingFloor2)
+MOTD              (default: KillingFloor)
+WEBSITE_LINK      (default: none)
+PASSWORD          (default: none)
+ADMIN_PASSWORD    (default: VerySecurePassword)
+WEB_PASSWORD      (default: none)
+MAX_PLAYERS       (default: 12)
+GAME_DIFFICULTY   (default: 1)
+```
+
+Example `docker-compose.yml` file:
+
+```yml
+version: '3'
+services:
+  killingfloor2:
+    image: docker.nexus.jacknet.io/jackhadrill/games/killingfloor2:latest
+    ports:
+      - '7777:7777/udp'
+      - '27015:27015/tcp'
+      - '8080:8080/tcp'
+    environment:
+      SERVER_NAME: 'JackNet'
+      MOTD: 'Welcome to the JackNet KF2 server.'
+      WEBSITE_LINK: 'https://jacknet.io/'
+      PASSWORD: password123
+      ADMIN_PASSWORD: password123
+```
+
+Mount `/game` if you want to persist the server files. Else, it will download on each launch.

start.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+ServerName="${SERVER_NAME:-KillingFloor2}"
+Motd="${MOTD:-KillingFloor2}"
+WebsiteLink="${WEBSITE_LINK:-}"
+Password="${PASSWORD:-}"
+AdminPassword="${ADMIN_PASSWORD:-VerySecurePassword}"
+WebPassword="${WEB_PASSWORD:-}"
+MaxPlayers="${MAX_PLAYERS:-12}"
+GameDifficulty="${GAME_DIFFICULTY:-1}"
+
+# Update server.
+steamcmd +login anonymous +force_install_dir /game +app_update 232130 validate +exit
+
+# Generate default config.
+/game/Binaries/Win64/KFGameSteamServer.bin.x86_64 exit
+
+# Patch config files.
+sed -i "s/GamePassword=.*/GamePassword=${Password}/g" /game/KFGame/Config/LinuxServer-KFGame.ini
+sed -i "s/AdminPassword=.*/AdminPassword=${AdminPassword}/g" /game/KFGame/Config/LinuxServer-KFGame.ini
+sed -i "s/MaxPlayers=.*/MaxPlayers=${MaxPlayers}/g" /game/KFGame/Config/LinuxServer-KFGame.ini
+sed -i "s/GameDifficulty=.*/GameDifficulty=${GameDifficulty}/g" /game/KFGame/Config/LinuxServer-KFGame.ini
+sed -i "s/ServerMOTD=.*/ServerMOTD=${Motd}/g" /game/KFGame/Config/LinuxServer-KFGame.ini
+sed -i "s/WebsiteLink=.*/WebsiteLink=${WebsiteLink}/g" /game/KFGame/Config/LinuxServer-KFGame.ini
+sed -i "s/ServerName=.*/ServerName=${ServerName}/g" /game/KFGame/Config/LinuxServer-KFGame.ini
+sed -i "s/ShortName=.*/ShortName=${ServerName}/g" /game/KFGame/Config/LinuxServer-KFGame.ini
+sed -i "s/bEnabled=.*/bEnabled=true/g" /game/KFGame/Config/KFWeb.ini
+
+# Run
+/game/Binaries/Win64/KFGameSteamServer.bin.x86_64