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Dockerfile

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+# =========================================================================
+#  IW4X / MW2 dedicated-server base image
+#  Extends the Pterodactyl wine yolk and adds the FULL 32-bit Wine tree
+#  that MW2 (a 2009 32-bit Windows game) needs but the stock yolk lacks.
+#
+#  Build:   docker build -t <your-registry>/iw4x-wine:latest .
+#  Push:    docker push <your-registry>/iw4x-wine:latest
+# =========================================================================
+FROM ghcr.io/pterodactyl/yolks:wine_latest
+
+USER root
+
+# ---- 1. Install the 32-bit Wine libraries the stock image is missing -----
+# The stock yolk enables i386 but never installs wine32:i386 / libwine:i386,
+# which is why a win32 prefix can't load 32-bit kernel32/user32/etc.
+# We add the WineHQ repo to get matching 32-bit builds, then install winbind
+# (needed for NTLM), cabextract (winetricks needs it) and the 32-bit tree.
+RUN dpkg --add-architecture i386 \
+    && apt-get update \
+    && apt-get install -y --no-install-recommends \
+        ca-certificates \
+        wget \
+        gnupg2 \
+        cabextract \
+        winbind \
+        xvfb \
+        xauth \
+        wine32:i386 \
+        libwine:i386 \
+        fonts-wine \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+# ---- 2. Bake a clean 32-bit prefix + runtimes into the image -------------
+# Doing this at BUILD time (as root) avoids the unprivileged-runtime apt wall
+# and means every container starts from a known-good win32 prefix.
+ENV WINEARCH=win32
+ENV WINEPREFIX=/opt/wine-prefix
+ENV WINEDEBUG=-all
+
+# winetricks is already present in the yolk; if not, grab it.
+RUN if ! command -v winetricks >/dev/null 2>&1; then \
+        wget -O /usr/local/bin/winetricks \
+        https://raw.githubusercontent.com/Winetricks/winetricks/master/src/winetricks \
+        && chmod +x /usr/local/bin/winetricks ; \
+    fi
+
+# Initialise the prefix headless, then install the runtimes IW4X/MW2 want.
+# vcrun2019 + d3dcompiler_47 are the ones the IW4X Linux docs call for.
+RUN xvfb-run -a wineboot --init \
+    && xvfb-run -a winetricks -q vcrun2019 d3dcompiler_47 \
+    && wineserver -w \
+    && chmod -R 777 /opt/wine-prefix
+
+USER container
+ENV USER=container HOME=/home/container
+WORKDIR /home/container

iw4x-custom-egg.json

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+{
+    "_comment": "IW4X egg rebuilt for a custom 32-bit wine image. No Steam login. Game files supplied by you; IW4X files fetched from GitHub at install.",
+    "meta": {
+        "version": "PTDL_v2",
+        "update_url": null
+    },
+    "exported_at": "2026-07-03T00:00:00+00:00",
+    "name": "IW4x (Custom 32-bit Wine)",
+    "author": "you@yourlab.local",
+    "description": "IW4x dedicated server for Call of Duty: Modern Warfare 2 (2009), running on a custom 32-bit Wine image. Game files are provided by the operator; IW4X client files are fetched from GitHub via the official launcher.",
+    "features": null,
+    "docker_images": {
+        "IW4X Wine (custom 32-bit)": "REGISTRY.your-lab.local/iw4x-wine:latest"
+    },
+    "file_denylist": [],
+    "startup": "bash ./start-iw4x.sh",
+    "config": {
+        "files": "{\r\n    \"userraw/server.cfg\": {\r\n        \"parser\": \"file\",\r\n        \"find\": {\r\n            \"sv_hostname\": \"sv_hostname \\\"{{server.build.env.SERVER_NAME}}\\\"\",\r\n            \"set g_password\": \"set g_password \\\"{{server.build.env.SERVER_PASSWORD}}\\\"\"\r\n        }\r\n    }\r\n}",
+        "startup": "{\r\n    \"done\": \"Sending heartbeat to master\"\r\n}",
+        "logs": "{}",
+        "stop": "^C"
+    },
+    "scripts": {
+        "installation": {
+            "script": "#!/bin/bash\r\n# IW4X install script - NO STEAM LOGIN.\r\n# Game (MW2) files are supplied by the operator via upload / volume.\r\n# This script only lays down the IW4X launcher, client dll, rawfiles,\r\n# server configs, and the startup wrapper.\r\n\r\nset -e\r\napt-get update && apt-get install -y --no-install-recommends curl wget unzip tar xz-utils ca-certificates\r\n\r\ncd /mnt/server\r\n\r\n## --- IW4X launcher (Linux) ---\r\necho \"Fetching IW4X launcher...\"\r\nwget -q https://github.com/iw4x/launcher/releases/latest/download/launcher-x86_64-linux-glibc.tar.xz -O launcher.tar.xz || \\\r\n  wget -q https://github.com/iw4x/launcher/releases/download/v1.1.8-b.18/launcher-1.1.8-b.18-x86_64-linux-glibc.tar.xz -O launcher.tar.xz\r\ntar xf launcher.tar.xz\r\nrm -f launcher.tar.xz\r\nchmod +x iw4x-launcher || true\r\n\r\n## --- IW4X client dll (the mod itself) ---\r\necho \"Fetching iw4x.dll...\"\r\ncurl -L https://github.com/iw4x/iw4x-client/releases/latest/download/iw4x.dll -o iw4x.dll\r\n\r\n## --- IW4X raw files (assets + iw4x.exe) ---\r\necho \"Fetching raw files...\"\r\ncurl -L https://github.com/iw4x/iw4x-rawfiles/releases/latest/download/release.zip -o release.zip\r\nunzip -o release.zip -d /mnt/server\r\nrm -f release.zip\r\n\r\n## --- Server configs + launch scripts ---\r\necho \"Fetching server configs...\"\r\nwget -q https://github.com/iw4x/iw4-server-configs/archive/refs/heads/main.zip -O configs.zip\r\nunzip -o configs.zip\r\ncp -rf iw4-server-configs-main/* /mnt/server/ 2>/dev/null || true\r\nrm -rf iw4-server-configs-main configs.zip\r\nrm -f LICENSE README.md 2>/dev/null || true\r\n\r\necho \"-----------------------------------------\"\r\necho \"IW4X files installed.\"\r\necho \"IMPORTANT: upload your legally-owned MW2 game files into /home/container\"\r\necho \"(iw4mp.exe and the game assets) if they are not already present.\"\r\necho \"Also upload start-iw4x.sh to /home/container and it will be used at boot.\"\r\necho \"-----------------------------------------\"",
+            "container": "ghcr.io/pterodactyl/installers:debian",
+            "entrypoint": "bash"
+        }
+    },
+    "variables": [
+        {
+            "name": "Mod Dir",
+            "description": "Name of the directory where the mod lives (fs_game). Leave blank for none.",
+            "env_variable": "MOD_DIR",
+            "default_value": "",
+            "user_viewable": true,
+            "user_editable": true,
+            "rules": "nullable|string",
+            "field_type": "text"
+        },
+        {
+            "name": "Server Port",
+            "description": "UDP port the server listens on (default 28960).",
+            "env_variable": "SERVER_PORT",
+            "default_value": "28960",
+            "user_viewable": true,
+            "user_editable": true,
+            "rules": "required|integer",
+            "field_type": "text"
+        },
+        {
+            "name": "LAN Mode",
+            "description": "0 = public (send heartbeats to master list). 1 = LAN/unlisted.",
+            "env_variable": "LAN_MODE",
+            "default_value": "0",
+            "user_viewable": true,
+            "user_editable": true,
+            "rules": "required|boolean",
+            "field_type": "text"
+        },
+        {
+            "name": "Server Config File",
+            "description": "Which cfg in userraw/ to exec. server.cfg (dedicated) or partyserver.cfg (lobby).",
+            "env_variable": "SERVER_CFG",
+            "default_value": "server.cfg",
+            "user_viewable": true,
+            "user_editable": true,
+            "rules": "required|string",
+            "field_type": "text"
+        },
+        {
+            "name": "Log File",
+            "description": "Enable server logging (1 on, 0 off).",
+            "env_variable": "LOG_FILE",
+            "default_value": "1",
+            "user_viewable": true,
+            "user_editable": true,
+            "rules": "required|boolean",
+            "field_type": "text"
+        },
+        {
+            "name": "Server Name",
+            "description": "Sets sv_hostname. Color codes: ^1 Red ^2 Green ^3 Yellow ^4 Blue ^5 Cyan ^6 Pink ^7 White.",
+            "env_variable": "SERVER_NAME",
+            "default_value": "My IW4X Server",
+            "user_viewable": true,
+            "user_editable": true,
+            "rules": "required|string|max:100",
+            "field_type": "text"
+        },
+        {
+            "name": "Server Password",
+            "description": "Leave blank for public, or set a password for a private server.",
+            "env_variable": "SERVER_PASSWORD",
+            "default_value": "",
+            "user_viewable": true,
+            "user_editable": true,
+            "rules": "nullable|string|max:100",
+            "field_type": "text"
+        }
+    ]
+}

start-iw4x.sh

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+#!/bin/bash
+# ==========================================================================
+#  IW4X startup wrapper  (place at /home/container/start-iw4x.sh, chmod +x)
+#  Called by the egg's Startup Command.
+# ==========================================================================
+cd /home/container || exit 1
+
+export WINEARCH=win32
+export WINEPREFIX=/home/container/.wine
+export WINEDEBUG="${WINEDEBUG:--all}"
+
+# --- Seed the known-good 32-bit prefix baked into the image (first boot) ---
+# The image ships a fully-initialised win32 prefix at /opt/wine-prefix with
+# vcrun2019 + d3dcompiler_47 already installed. If the volume doesn't have a
+# valid win32 prefix yet, copy it in. This avoids the stock entrypoint
+# rebuilding a broken win64 prefix.
+if [ ! -f "${WINEPREFIX}/system.reg" ] || ! grep -q '#arch=win32' "${WINEPREFIX}/system.reg" 2>/dev/null; then
+    echo "[iw4x] Seeding fresh win32 wine prefix from image..."
+    rm -rf "${WINEPREFIX}"
+    cp -a /opt/wine-prefix "${WINEPREFIX}"
+    echo "[iw4x] Prefix ready: $(head -1 ${WINEPREFIX}/system.reg)"
+else
+    echo "[iw4x] Existing win32 prefix detected, reusing it."
+fi
+
+# --- Update IW4X client files via the official launcher (no Steam login) ---
+if [ -f ./iw4x-launcher ]; then
+    echo "[iw4x] Running launcher update..."
+    ./iw4x-launcher --update
+fi
+
+# --- Launch the dedicated server ------------------------------------------
+# Mirrors the official DedicatedServer.sh invocation.
+echo "[iw4x] Launching server..."
+exec wine iw4x.exe -dedicated -stdout \
+    +set fs_game "${MOD_DIR}" \
+    +set sv_lanonly "${LAN_MODE:-0}" \
+    +set net_port "${SERVER_PORT}" \
+    +exec "${SERVER_CFG:-server.cfg}" \
+    +set logfile "${LOG_FILE:-1}" \
+    +set party_enable "0" \
+    +map_rotate