[Bug]: Steam Installer only launches an invisible window

[pugly-tech]

Describe the Bug

Steam doesn't properly launch, only showing a window that reflects what the pixel last saw

Steps to Reproduce

set up folders and compose file, then run docker compose up -d

Expected Behavior

Steam to launch

Screenshots

Relevant Settings

---

services:
  steam-headless:
    image: josh5/steam-headless:latest
    container_name: steam
    restart: unless-stopped
    shm_size: 2G
    ipc: host # Could also be set to 'shareable'
    ulimits:
      nofile:
        soft: 1024
        hard: 524288
    cap_add:
      - NET_ADMIN
      - SYS_ADMIN
      - SYS_NICE
    security_opt:
      - seccomp:unconfined
      - apparmor:unconfined

    # NETWORK:
    ## NOTE:  With this configuration, if we do not use the host network, then physical device input
    ##        is not possible and your USB connected controllers will not work in steam games.
    network_mode: host
    hostname: SteamHeadless
    extra_hosts:
      - "SteamHeadless:127.0.0.1"
    # ENVIRONMENT:
    ## Read all config variables from the .env file
    environment:
      # System
      - TZ=America/Edmonton
      - USER_LOCALES=en_US.UTF-8 UTF-8
      - DISPLAY=:55
      # User
      - PUID=1000
      - PGID=1002
      - UMASK=000
      - USER_PASSWORD=password
      # Mode
      - MODE=primary
      # Web UI
      - WEB_UI_MODE=vnc
      - ENABLE_VNC_AUDIO=true
      - PORT_NOVNC_WEB=8083
      - NEKO_NAT1TO1=192.168.0.2
      # Steam
      - ENABLE_STEAM=true
      - STEAM_ARGS=-silent
      # Sunshine
      - ENABLE_SUNSHINE=true
      - SUNSHINE_USER=graham
      - SUNSHINE_PASS=1234
      # Xorg
      - ENABLE_EVDEV_INPUTS=true
      - FORCE_X11_DUMMY_CONFIG=true
      # Nvidia specific config
      - NVIDIA_DRIVER_CAPABILITIES=all
      - NVIDIA_VISIBLE_DEVICES=all
      - NVIDIA_DRIVER_VERSION=

    # DEVICES:
    devices:
      # Use the host fuse device [REQUIRED].
      - /dev/fuse
      # Add the host uinput device [REQUIRED].
      - /dev/uinput
      # Add AMD/Intel HW accelerated video encoding/decoding devices [REQUIRED].
      # NOTE: See documentation for determining which devices to configure here if you have multiple GPUs
      - /dev/dri/card1
      - /dev/dri/renderD129
    # Ensure container access to devices 13:*
    device_cgroup_rules:
      - 'c 13:* rmw'

    # VOLUMES:
    volumes:
      # The location of your home directory.
      - /mnt/docker/SteamHeadless/home:/home/default:rw

      # The location where all games should be installed.
      # This path needs to be set as a library path in Steam after logging in.
      # Otherwise, Steam will store games in the home directory above.
      - /mnt/games/SteamHeadless/:/mnt/games/:rw

      # The Xorg socket.
      - /mnt/docker/SteamHeadless/sockets/.X11-unix:/tmp/.X11-unix:rw

      # Pulse audio socket.
      - /mnt/docker/SteamHeadless/sockets/pulse:/tmp/pulse:rw

Version

Build: [2026-03-07 03:16:05] [master] [f9836a5] [debian]

Platform

Debian GNU/Linux - 13 (trixie)
6.12.73+deb13-amd64 unknown unknown GNU/Linux
intel GPU
Docker version 29.2.1, build a5c7197
Docker Compose version v5.0.2

Relevant log output

See following comment

[pugly-tech]

dockerlog.txt
pulseaudio.err.log
x11vnc.log
audiostream.log
desktop.log
xorg.err.log
desktop.err.log
audiostream.err.log
novnc.err.log
xorg.log
novnc.log
sunshine.log
x11vnc.err.log
sunshine.err.log

[pugly-tech]

Also I do intend to get a better GPU eventually, but with the price of GPUs that's contingent on me being sastisfied with the performance of game streaming. I tried Games on Whales and while it works it's a pain in the ass because it does so much crap when i just want the Steam container.

[pugly-tech]

Would using a Nvidia GPU fix this?