StruxaEggs Explorer

Arma 3

Game

Experience true combat gameplay in a massive military sandbox. Deploying a wide variety of single and multiplayer content, over 20 vehicles and 40 weapons, and limitless opportunities for content creation, this is the PC's premier military game. Authentic, diverse, open - Arma 3 sends you to war.

Author: red_thirten@yahoo.comSource: pterodactyl/game-eggsUpdated: 5/24/2026

Startup Command

./{{SERVER_BINARY}} -ip=0.0.0.0 -port={{SERVER_PORT}} -profiles=./serverprofile -bepath=./ -cfg=basic.cfg -config=server.cfg -mod=\"{{CLIENT_MODS}}\" -serverMod=\"{{SERVERMODS}}\" \"{{STARTUP_PARAMS}}\"

Docker Images

LabelImage
ghcr.io/ptero-eggs/games:arma3ghcr.io/ptero-eggs/games:arma3

Environment Variables

NameVariableDefaultRules
[REQUIRED] Steam Username
Used for installation and updates. Account does not need to own Arma 3, but MUST BE a VALID Steam account (anonymous login cannot be used). For security reasons it is recommended that you create a new Steam account just for your dedicated servers. *This info is not visible to the server owner.*
STEAM_USERyour_steam_usernamerequired|string
[REQUIRED] Steam Password
Used for installation and updates. Steam Guard MUST be completely TURNED OFF for install to complete successfully. *This info is not visible to the server owner, BUT IS stored in PLAIN TEXT. It is NOT advised to use a personal account; best to use a dummy account.*
STEAM_PASSyour_steam_passwordrequired|string
Number of SteamCMD Retry Attempts
How many times SteamCMD should retry downloading a server or mod after a recoverable error. (ie. A particularly large mod like CUP or RHS download times out)
STEAMCMD_ATTEMPTS3required|integer
Server Binary
Server binary to call on server start. (32-bit: arma3server | 64-bit: arma3server_x64)
SERVER_BINARYarma3server_x64required|string|in:arma3server,arma3server_x64,arma3serverprofiling,arma3serverprofiling_x64
Extra Startup Parameters
See https://community.bistudio.com/wiki/Arma_3_Startup_Parameters for more info on valid flags for this field. "-noLogs" is recommended to prevent console rate-limit warnings.
STARTUP_PARAMS-noLogsstring|nullable
Max Players
Maximum number of players allowed to join the server.
MAX_PLAYERS32required|integer|gt:0
Server Password
Password required to join the server. Leave blank to have no password.
SERVER_PASSWORDnonenullable|string
Automatic Updates
Quickly checks for any server or mod updates on startup, and updates if necessary. (1 Enable | 0 Disable)
UPDATE_SERVER1boolean
Disable Mod Downloads/Updates
If the Steam account does not own the base Arma 3 game, Steam Workshop mod downloads/updates will not work. If so, this setting allows disabling of this feature to avoid errors. (1 Disable | 0 Enable)
DISABLE_MOD_UPDATES0boolean
Download Creator DLCs
Downloads/Updates all the mod files required to run any CDLC during the next Automatic Update. DLCs can be enabled by adding their mod folder name to the Additional Mods startup variable. For example, add "vn;" to load the Prairie Fire CDLC. (1 Yes | 0 No)
CDLC0boolean
Modlist File (Exported from A3 Launcher)
Filename for an exported modlist. This file will be parsed for mod installation and loading. Upload your HTML file to the root directory (eg. /home/container/modlist.html). Leave blank to disable loading mods from a modlist.
MOD_FILEmodlist.htmlnullable|string
Additional Mods
A semicolon-separated list of additional mod folders to load. Useful for loading CDLCs or manually uploaded mods. This mod list will be loaded in addition to the Modlist File (if used). Any mods in this list that are in "@workshopID" form will also be included in Automatic Updates (if enabled). NO capital letters, spaces, or folders starting with a number! (ex. myMod;vn;@123456789;@987654321;etc;)
MODIFICATIONSnonenullable|string
[Repair] Make Mod Files Lowercase
Every mod that is set to be loaded will have its folder and files changed to lowercase (to prevent errors). It is recommended to enable this for one server boot after copying a mod from a Windows machine to the server, or if mods seem to not be loading. (1 Enable | 0 Disable)
MODS_LOWERCASE0boolean
[Repair] Validate Server Files
Validates all server files when Automatic Updates is enabled. Note: This will significantly increase server startup times, so it is recommended to only enable this when needed. (1 Enable | 0 Disable)
VALIDATE_SERVER0boolean
[Advanced] Server-Side Only Mods
Mod folders to be used with the "-serverMods" startup option. They only run server-side and are not required by clients if "verifySignatures" is enabled. Any mods in this list that are in "@workshopID" form will also be included in Automatic Updates (if enabled). NO capital letters, spaces, or folders starting with a number! Each folder must be followed with a semicolon (ex. @123456789;@987654321;etc;)
SERVERMODSnonenullable|string
[Advanced] Optional Client-Side Mods
A semicolon-separated list of optional mods to load into the keys folder, but not include in server's mod parameter. Useful for allowing clients to connect to the server with or without the mod loaded. Mods in this list must be in "@workshopID" form (ex. @123456789;@987654321;). These will also be included in Automatic Updates (if enabled).
OPTIONALMODSnonenullable|string
[Advanced] Extra Flags for SteamCMD
[This will override "Download Creator DLCs" if used] Only used when checking for server updates, and typically used for grabbing beta builds. Example: -beta profiling -betapassword CautionSpecialProfilingAndTestingBranchArma3
STEAMCMD_EXTRA_FLAGSnonenullable|string
[Advanced] Headless Clients (HC)
Number of Headless Clients (0 - 5) to launch parallel with the server. Be sure to set the following "HC Connect Password" variable if your server is password locked. PLEASE NOTE: Using a headless client is only recommended for advanced users, adds extra overhead to your permitted server resources, and is only beneficial if a properly written, HC compliant, mission file is provided. See https://community.bistudio.com/wiki/Arma_3:_Headless_Client for more info.
HC_NUM0required|integer|between:0,5
[Advanced] HC Hide Console Output
Hides Headless Client console output (except for critical errors) to prevent nonessential console spam. (1 Hide | 0 Show)
HC_HIDE1boolean
[Advanced] Clear HC Profiles Cache on Startup
Deletes all profiles from the "/home/container/serverprofile/home" directory on startup, except for the server's main "Player" profile. Recommended to enable when running HCs, because the profiles are generally unused and can cause HCs to crash if they develop errors. (1 Enable | 0 Disable)
CLEAR_CACHE0boolean
[Advanced] Arma 3 Dedicated Server App ID
Used for installation and updates. Rarely needs to be changed.
STEAMCMD_APPID233780required|integer
[Advanced] basic.cfg URL
URL to a valid Arma 3 basic.cfg file. The "Basic" configuration file is used during server runtime for advanced network performance tuning. Because it is a required file, this URL is used to download it during installation, or if the file is found missing during startup.
BASIC_URLhttps://raw.githubusercontent.com/ptero-eggs/game-eggs/main/arma/arma3/egg-arma3-config/basic.cfgrequired|url

Features

steam_disk_space