Fix Steam login flicker with 2GB shm and stable launch scripts.

Use tini-backed entrypoint, two-phase Steam startup, and a window keeper so CEF UI and the fluxbox toolbar stay visible in Moonlight.

Co-authored-by: Cursor <cursoragent@cursor.com>

Dockerfile

@@ -13,7 +13,7 @@ RUN if [ -n "$APT_PROXY" ]; then \
 RUN dpkg --add-architecture i386 && \
     apt-get update && apt-get install -y \
     xserver-xorg-core xserver-xorg-video-dummy xserver-xorg-input-libinput \
-    fluxbox dbus-x11 xauth xfonts-base x11-xserver-utils xinput \
+    fluxbox dbus-x11 xauth xfonts-base x11-xserver-utils xinput xdotool tini \
     software-properties-common wget curl ca-certificates locales pciutils \
     libboost-chrono1.74.0 libboost-filesystem1.74.0 libboost-locale1.74.0 \
     libboost-program-options1.74.0 libboost-thread1.74.0 \
@@ -23,8 +23,7 @@ RUN dpkg --add-architecture i386 && \
     && add-apt-repository multiverse \
     && apt-get update
 
-# 2. Скачиваем оригинальный рабочий пакет Sunshine по вашей ссылке
-# ВНИМАНИЕ: Замените маркер ниже на вашу ссылку из браузера, сохранив кавычки!
+# 2. Скачиваем проверенный пакет Sunshine
 RUN wget "https://github.com/LizardByte/Sunshine/releases/download/v0.20.0/sunshine-ubuntu-22.04-amd64.deb" -O /tmp/sunshine.deb \
     && chmod +x /tmp/sunshine.deb
 
@@ -84,26 +83,10 @@ EndSubSection\n\
 EndSection\n\
 ' > /etc/X11/xorg-dummy.conf
 
-# 5. Поднимаем Xorg dummy, fluxbox и Sunshine
-RUN echo '#!/bin/bash\n\
-set -e\n\
-rm -f /tmp/.X99-lock /tmp/.X11-unix/X99\n\
-id steam >/dev/null 2>&1 || useradd -m -s /bin/bash steam\n\
-mkdir -p /home/steam/.local/share/Steam /tmp/xdg-steam\n\
-ln -sfn /home/steam/.local/share/Steam /home/steam/.steam\n\
-chown -R steam:steam /home/steam /tmp/xdg-steam\n\
-mkdir -p /run/dbus\n\
-dbus-daemon --system --fork || true\n\
-Xorg :99 -config /etc/X11/xorg-dummy.conf -nolisten tcp -noreset +extension GLX +extension RANDR +extension RENDER &\n\
-export DISPLAY=:99\n\
-export HOME=/root\n\
-export LANG=en_US.UTF-8\n\
-export LC_ALL=en_US.UTF-8\n\
-sleep 3\n\
-fluxbox &\n\
-sleep 2\n\
-exec /usr/bin/sunshine' > /entrypoint.sh && chmod +x /entrypoint.sh \
-    && chmod +x /entrypoint.sh
+# 5. Entrypoint, fluxbox и tini
+COPY scripts/entrypoint.sh /entrypoint.sh
+COPY scripts/fluxbox /etc/game-server/fluxbox
+RUN chmod +x /entrypoint.sh
 
 USER root
-ENTRYPOINT ["/entrypoint.sh"]
+ENTRYPOINT ["/usr/bin/tini", "--", "/entrypoint.sh"]

docker-compose.yml

@@ -9,6 +9,7 @@ x-game-template: &game-template
     - seccomp:unconfined
     - apparmor:unconfined
   ipc: shareable
+  shm_size: "2gb"
   environment:
     NVIDIA_DRIVER_CAPABILITIES: all
     DISPLAY: ":99"

players/p1_config/apps.json

@@ -6,7 +6,7 @@
     {
       "name": "Steam Big Picture",
       "detached": [
-        "bash -lc 'id steam >/dev/null 2>&1 || useradd -m -s /bin/bash steam; ROOT=/home/steam/.local/share/Steam/debian-installation; mkdir -p ${ROOT} /tmp/xdg-steam /home/steam/tmp; ln -sfn /home/steam/.local/share/Steam /home/steam/.steam; chown -R steam:steam /home/steam /tmp/xdg-steam; pkill -u steam -f \"steam|steamwebhelper|steam-runtime\" >/dev/null 2>&1 || true; sleep 1; runuser -u steam -- env DISPLAY=:99 HOME=/home/steam XDG_RUNTIME_DIR=/tmp/xdg-steam TMPDIR=/home/steam/tmp LANG=en_US.UTF-8 LC_ALL=en_US.UTF-8 nohup bash -lc \"cd ${ROOT} && exec /usr/games/steam -gamepadui -fullscreen -no-cef-sandbox\" >/home/steam/steam-app.log 2>&1 < /dev/null &'"
+        "bash -lc '/root/.config/sunshine/start-steam.sh'"
       ],
       "prep-cmd": [
         {
@@ -28,19 +28,6 @@
         }
       ],
       "image-path": "desktop.png"
-    },
-    {
-      "name": "Steam Manual Start",
-      "detached": [
-        "bash -lc 'id steam >/dev/null 2>&1 || useradd -m -s /bin/bash steam; ROOT=/home/steam/.local/share/Steam/debian-installation; mkdir -p ${ROOT} /tmp/xdg-steam /home/steam/tmp; ln -sfn /home/steam/.local/share/Steam /home/steam/.steam; chown -R steam:steam /home/steam /tmp/xdg-steam; pkill -u steam -f \"steam|steamwebhelper|steam-runtime\" >/dev/null 2>&1 || true; sleep 1; runuser -u steam -- env DISPLAY=:99 HOME=/home/steam XDG_RUNTIME_DIR=/tmp/xdg-steam TMPDIR=/home/steam/tmp LANG=en_US.UTF-8 LC_ALL=en_US.UTF-8 nohup bash -lc \"cd ${ROOT} && exec /usr/games/steam -gamepadui -fullscreen -no-cef-sandbox\" >/home/steam/steam-app.log 2>&1 < /dev/null &'"
-      ],
-      "prep-cmd": [
-        {
-          "do": "",
-          "undo": ""
-        }
-      ],
-      "image-path": "steam.png"
     }
   ]
 }

players/p1_config/keep-steam-window.sh

@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+export DISPLAY=:99
+
+SCREEN_W=1920
+SCREEN_H=1080
+TOOLBAR_H=32
+
+find_window() {
+  local title="$1"
+  xwininfo -root -tree 2>/dev/null | grep "\"${title}\"" | head -1 | awk '{print $1}'
+}
+
+window_state() {
+  xwininfo -id "$1" 2>/dev/null | awk '/Map State/{print $NF}'
+}
+
+center_window() {
+  local wid="$1"
+  local geom w h x y
+  geom="$(xwininfo -id "${wid}" 2>/dev/null | awk '/-geometry/{print $2}')"
+  w="${geom%%x*}"
+  h="${geom#*x}"; h="${h%%+*}"
+  [ -n "${w}" ] && [ -n "${h}" ] || return 0
+  x=$(( (SCREEN_W - w) / 2 ))
+  y=$(( (SCREEN_H - TOOLBAR_H - h) / 2 ))
+  [ "${y}" -lt 0 ] && y=0
+  xdotool windowmove "${wid}" "${x}" "${y}" 2>/dev/null || true
+}
+
+while pgrep -u steam -f "steam -srt-logger-opened" >/dev/null 2>&1; do
+  wid=""
+  for title in "Sign in to Steam" "Steam Big Picture Mode"; do
+    wid="$(find_window "${title}")"
+    [ -n "${wid}" ] && break
+  done
+
+  if [ -n "${wid}" ]; then
+    state="$(window_state "${wid}")"
+    if [ "${state}" = "IsUnMapped" ] || [ -z "${state}" ]; then
+      xdotool windowmap "${wid}" 2>/dev/null || true
+    fi
+    xdotool windowraise "${wid}" 2>/dev/null || true
+    center_window "${wid}"
+    xdotool windowactivate "${wid}" 2>/dev/null || true
+  fi
+  sleep 0.5
+done

players/p1_config/start-steam.sh

@@ -0,0 +1,118 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+exec 9>/tmp/start-steam.lock
+flock -n 9 || exit 0
+
+id steam >/dev/null 2>&1 || useradd -m -s /bin/bash steam
+STEAM_UID="$(id -u steam)"
+
+ROOT=/home/steam/.local/share/Steam/debian-installation
+mkdir -p "${ROOT}" /tmp/xdg-steam /home/steam/tmp /run/dbus
+ln -sfn /home/steam/.local/share/Steam /home/steam/.steam
+chown -R steam:steam /home/steam /tmp/xdg-steam
+
+ensure_dbus() {
+  if ! dbus-send --system --print-reply --dest=org.freedesktop.DBus /org/freedesktop/DBus org.freedesktop.DBus.ListNames >/dev/null 2>&1; then
+    rm -f /run/dbus/pid
+    dbus-daemon --system --fork >/dev/null 2>&1 || true
+  fi
+}
+
+ensure_fluxbox() {
+  cp -f /etc/game-server/fluxbox/init /root/.fluxbox/init 2>/dev/null || true
+  if ps -eo stat=,comm= 2>/dev/null | awk '$2=="fluxbox" && $1 !~ /Z/ { exit 0 } END { exit 1 }'; then
+    FB="$(ps -eo pid=,stat=,comm= | awk '$3=="fluxbox" && $2 !~ /Z/ {print $1; exit}')"
+    DISPLAY=:99 fluxbox-remote reloadconfig 2>/dev/null || kill -USR1 "${FB}" 2>/dev/null || true
+    return 0
+  fi
+  DISPLAY=:99 HOME=/root fluxbox >/dev/null 2>&1 &
+  sleep 1
+}
+
+restart_fluxbox() {
+  pkill -x fluxbox >/dev/null 2>&1 || true
+  sleep 1
+  cp -f /etc/game-server/fluxbox/init /root/.fluxbox/init 2>/dev/null || true
+  DISPLAY=:99 HOME=/root fluxbox >/dev/null 2>&1 &
+  sleep 1
+  DISPLAY=:99 xsetroot -solid "#3c3c3c" 2>/dev/null || true
+}
+
+steam_running() {
+  pgrep -u steam -f "${ROOT}/ubuntu12_32/steam -srt-logger-opened" >/dev/null 2>&1
+}
+
+steam_ui_visible() {
+  DISPLAY=:99 xwininfo -root -tree 2>/dev/null | grep -qE "Steam Big Picture Mode|Sign in to Steam"
+}
+
+ensure_window_keeper() {
+  command -v xdotool >/dev/null 2>&1 || return 0
+  pgrep -f keep-steam-window.sh >/dev/null 2>&1 && return 0
+  setsid bash /root/.config/sunshine/keep-steam-window.sh >/dev/null 2>&1 &
+}
+
+schedule_gamepadui_once() {
+  [ -f /tmp/steam-gamepadui-done ] && return 0
+  setsid bash -lc '
+    for _ in $(seq 1 90); do
+      pgrep -u steam -f steamwebhelper >/dev/null 2>&1 && break
+      sleep 1
+    done
+    sleep 5
+    runuser -u steam -- env \
+      DISPLAY=:99 \
+      HOME=/home/steam \
+      XDG_RUNTIME_DIR=/tmp/xdg-steam \
+      TMPDIR=/home/steam/tmp \
+      LANG=en_US.UTF-8 \
+      LC_ALL=en_US.UTF-8 \
+      /usr/games/steam steam://open/gamepadui >/dev/null 2>&1 || true
+    touch /tmp/steam-gamepadui-done
+  ' >/dev/null 2>&1 &
+}
+
+stop_steam() {
+  pkill -9 -u steam -f "steam|steamwebhelper|steam-runtime|steam-runtime-launcher" >/dev/null 2>&1 || true
+  pkill -f keep-steam-window.sh >/dev/null 2>&1 || true
+  sleep 1
+  rm -f /home/steam/.local/share/Steam/steam.pid \
+        /home/steam/.local/share/Steam/steam.pipe \
+        /home/steam/.local/share/Steam/steam.token \
+        /tmp/steam-gamepadui-done
+  rm -rf /home/steam/.local/share/Steam/debian-installation/config/htmlcache
+  rm -rf /tmp/dumps/completed /tmp/dumps/*.lock 2>/dev/null || true
+  rm -f /dev/shm/u"${STEAM_UID}"-* /dev/shm/u"${STEAM_UID}"-ValveIPC* /dev/shm/.org.chromium.* /dev/shm/pulse-* 2>/dev/null || true
+}
+
+ensure_dbus
+restart_fluxbox
+
+if steam_running; then
+  if steam_ui_visible; then
+    ensure_window_keeper
+    exit 0
+  fi
+  schedule_gamepadui_once
+  ensure_window_keeper
+  exit 0
+fi
+
+stop_steam
+ensure_dbus
+restart_fluxbox
+
+setsid runuser -u steam -- env \
+  DISPLAY=:99 \
+  HOME=/home/steam \
+  XDG_RUNTIME_DIR=/tmp/xdg-steam \
+  TMPDIR=/home/steam/tmp \
+  LANG=en_US.UTF-8 \
+  LC_ALL=en_US.UTF-8 \
+  bash -lc "cd ${ROOT} && exec /usr/games/steam -silent -no-cef-sandbox" \
+  >>/home/steam/steam-app.log 2>&1 &
+
+schedule_gamepadui_once
+ensure_window_keeper
+exit 0

players/p2_config/apps.json

@@ -6,7 +6,7 @@
     {
       "name": "Steam Big Picture",
       "detached": [
-        "bash -lc 'id steam >/dev/null 2>&1 || useradd -m -s /bin/bash steam; ROOT=/home/steam/.local/share/Steam/debian-installation; mkdir -p ${ROOT} /tmp/xdg-steam /home/steam/tmp; ln -sfn /home/steam/.local/share/Steam /home/steam/.steam; chown -R steam:steam /home/steam /tmp/xdg-steam; pkill -u steam -f \"steam|steamwebhelper|steam-runtime\" >/dev/null 2>&1 || true; sleep 1; runuser -u steam -- env DISPLAY=:99 HOME=/home/steam XDG_RUNTIME_DIR=/tmp/xdg-steam TMPDIR=/home/steam/tmp LANG=en_US.UTF-8 LC_ALL=en_US.UTF-8 nohup bash -lc \"cd ${ROOT} && exec /usr/games/steam -gamepadui -fullscreen -no-cef-sandbox\" >/home/steam/steam-app.log 2>&1 < /dev/null &'"
+        "bash -lc '/root/.config/sunshine/start-steam.sh'"
       ],
       "prep-cmd": [
         {
@@ -28,19 +28,6 @@
         }
       ],
       "image-path": "desktop.png"
-    },
-    {
-      "name": "Steam Manual Start",
-      "detached": [
-        "bash -lc 'id steam >/dev/null 2>&1 || useradd -m -s /bin/bash steam; ROOT=/home/steam/.local/share/Steam/debian-installation; mkdir -p ${ROOT} /tmp/xdg-steam /home/steam/tmp; ln -sfn /home/steam/.local/share/Steam /home/steam/.steam; chown -R steam:steam /home/steam /tmp/xdg-steam; pkill -u steam -f \"steam|steamwebhelper|steam-runtime\" >/dev/null 2>&1 || true; sleep 1; runuser -u steam -- env DISPLAY=:99 HOME=/home/steam XDG_RUNTIME_DIR=/tmp/xdg-steam TMPDIR=/home/steam/tmp LANG=en_US.UTF-8 LC_ALL=en_US.UTF-8 nohup bash -lc \"cd ${ROOT} && exec /usr/games/steam -gamepadui -fullscreen -no-cef-sandbox\" >/home/steam/steam-app.log 2>&1 < /dev/null &'"
-      ],
-      "prep-cmd": [
-        {
-          "do": "",
-          "undo": ""
-        }
-      ],
-      "image-path": "steam.png"
     }
   ]
 }

players/p2_config/keep-steam-window.sh

@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+export DISPLAY=:99
+
+SCREEN_W=1920
+SCREEN_H=1080
+TOOLBAR_H=32
+
+find_window() {
+  local title="$1"
+  xwininfo -root -tree 2>/dev/null | grep "\"${title}\"" | head -1 | awk '{print $1}'
+}
+
+window_state() {
+  xwininfo -id "$1" 2>/dev/null | awk '/Map State/{print $NF}'
+}
+
+center_window() {
+  local wid="$1"
+  local geom w h x y
+  geom="$(xwininfo -id "${wid}" 2>/dev/null | awk '/-geometry/{print $2}')"
+  w="${geom%%x*}"
+  h="${geom#*x}"; h="${h%%+*}"
+  [ -n "${w}" ] && [ -n "${h}" ] || return 0
+  x=$(( (SCREEN_W - w) / 2 ))
+  y=$(( (SCREEN_H - TOOLBAR_H - h) / 2 ))
+  [ "${y}" -lt 0 ] && y=0
+  xdotool windowmove "${wid}" "${x}" "${y}" 2>/dev/null || true
+}
+
+while pgrep -u steam -f "steam -srt-logger-opened" >/dev/null 2>&1; do
+  wid=""
+  for title in "Sign in to Steam" "Steam Big Picture Mode"; do
+    wid="$(find_window "${title}")"
+    [ -n "${wid}" ] && break
+  done
+
+  if [ -n "${wid}" ]; then
+    state="$(window_state "${wid}")"
+    if [ "${state}" = "IsUnMapped" ] || [ -z "${state}" ]; then
+      xdotool windowmap "${wid}" 2>/dev/null || true
+    fi
+    xdotool windowraise "${wid}" 2>/dev/null || true
+    center_window "${wid}"
+    xdotool windowactivate "${wid}" 2>/dev/null || true
+  fi
+  sleep 0.5
+done

players/p2_config/start-steam.sh

@@ -0,0 +1,118 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+exec 9>/tmp/start-steam.lock
+flock -n 9 || exit 0
+
+id steam >/dev/null 2>&1 || useradd -m -s /bin/bash steam
+STEAM_UID="$(id -u steam)"
+
+ROOT=/home/steam/.local/share/Steam/debian-installation
+mkdir -p "${ROOT}" /tmp/xdg-steam /home/steam/tmp /run/dbus
+ln -sfn /home/steam/.local/share/Steam /home/steam/.steam
+chown -R steam:steam /home/steam /tmp/xdg-steam
+
+ensure_dbus() {
+  if ! dbus-send --system --print-reply --dest=org.freedesktop.DBus /org/freedesktop/DBus org.freedesktop.DBus.ListNames >/dev/null 2>&1; then
+    rm -f /run/dbus/pid
+    dbus-daemon --system --fork >/dev/null 2>&1 || true
+  fi
+}
+
+ensure_fluxbox() {
+  cp -f /etc/game-server/fluxbox/init /root/.fluxbox/init 2>/dev/null || true
+  if ps -eo stat=,comm= 2>/dev/null | awk '$2=="fluxbox" && $1 !~ /Z/ { exit 0 } END { exit 1 }'; then
+    FB="$(ps -eo pid=,stat=,comm= | awk '$3=="fluxbox" && $2 !~ /Z/ {print $1; exit}')"
+    DISPLAY=:99 fluxbox-remote reloadconfig 2>/dev/null || kill -USR1 "${FB}" 2>/dev/null || true
+    return 0
+  fi
+  DISPLAY=:99 HOME=/root fluxbox >/dev/null 2>&1 &
+  sleep 1
+}
+
+restart_fluxbox() {
+  pkill -x fluxbox >/dev/null 2>&1 || true
+  sleep 1
+  cp -f /etc/game-server/fluxbox/init /root/.fluxbox/init 2>/dev/null || true
+  DISPLAY=:99 HOME=/root fluxbox >/dev/null 2>&1 &
+  sleep 1
+  DISPLAY=:99 xsetroot -solid "#3c3c3c" 2>/dev/null || true
+}
+
+steam_running() {
+  pgrep -u steam -f "${ROOT}/ubuntu12_32/steam -srt-logger-opened" >/dev/null 2>&1
+}
+
+steam_ui_visible() {
+  DISPLAY=:99 xwininfo -root -tree 2>/dev/null | grep -qE "Steam Big Picture Mode|Sign in to Steam"
+}
+
+ensure_window_keeper() {
+  command -v xdotool >/dev/null 2>&1 || return 0
+  pgrep -f keep-steam-window.sh >/dev/null 2>&1 && return 0
+  setsid bash /root/.config/sunshine/keep-steam-window.sh >/dev/null 2>&1 &
+}
+
+schedule_gamepadui_once() {
+  [ -f /tmp/steam-gamepadui-done ] && return 0
+  setsid bash -lc '
+    for _ in $(seq 1 90); do
+      pgrep -u steam -f steamwebhelper >/dev/null 2>&1 && break
+      sleep 1
+    done
+    sleep 5
+    runuser -u steam -- env \
+      DISPLAY=:99 \
+      HOME=/home/steam \
+      XDG_RUNTIME_DIR=/tmp/xdg-steam \
+      TMPDIR=/home/steam/tmp \
+      LANG=en_US.UTF-8 \
+      LC_ALL=en_US.UTF-8 \
+      /usr/games/steam steam://open/gamepadui >/dev/null 2>&1 || true
+    touch /tmp/steam-gamepadui-done
+  ' >/dev/null 2>&1 &
+}
+
+stop_steam() {
+  pkill -9 -u steam -f "steam|steamwebhelper|steam-runtime|steam-runtime-launcher" >/dev/null 2>&1 || true
+  pkill -f keep-steam-window.sh >/dev/null 2>&1 || true
+  sleep 1
+  rm -f /home/steam/.local/share/Steam/steam.pid \
+        /home/steam/.local/share/Steam/steam.pipe \
+        /home/steam/.local/share/Steam/steam.token \
+        /tmp/steam-gamepadui-done
+  rm -rf /home/steam/.local/share/Steam/debian-installation/config/htmlcache
+  rm -rf /tmp/dumps/completed /tmp/dumps/*.lock 2>/dev/null || true
+  rm -f /dev/shm/u"${STEAM_UID}"-* /dev/shm/u"${STEAM_UID}"-ValveIPC* /dev/shm/.org.chromium.* /dev/shm/pulse-* 2>/dev/null || true
+}
+
+ensure_dbus
+restart_fluxbox
+
+if steam_running; then
+  if steam_ui_visible; then
+    ensure_window_keeper
+    exit 0
+  fi
+  schedule_gamepadui_once
+  ensure_window_keeper
+  exit 0
+fi
+
+stop_steam
+ensure_dbus
+restart_fluxbox
+
+setsid runuser -u steam -- env \
+  DISPLAY=:99 \
+  HOME=/home/steam \
+  XDG_RUNTIME_DIR=/tmp/xdg-steam \
+  TMPDIR=/home/steam/tmp \
+  LANG=en_US.UTF-8 \
+  LC_ALL=en_US.UTF-8 \
+  bash -lc "cd ${ROOT} && exec /usr/games/steam -silent -no-cef-sandbox" \
+  >>/home/steam/steam-app.log 2>&1 &
+
+schedule_gamepadui_once
+ensure_window_keeper
+exit 0

players/p3_config/apps.json

@@ -6,7 +6,7 @@
     {
       "name": "Steam Big Picture",
       "detached": [
-        "bash -lc 'id steam >/dev/null 2>&1 || useradd -m -s /bin/bash steam; ROOT=/home/steam/.local/share/Steam/debian-installation; mkdir -p ${ROOT} /tmp/xdg-steam /home/steam/tmp; ln -sfn /home/steam/.local/share/Steam /home/steam/.steam; chown -R steam:steam /home/steam /tmp/xdg-steam; pkill -u steam -f \"steam|steamwebhelper|steam-runtime\" >/dev/null 2>&1 || true; sleep 1; runuser -u steam -- env DISPLAY=:99 HOME=/home/steam XDG_RUNTIME_DIR=/tmp/xdg-steam TMPDIR=/home/steam/tmp LANG=en_US.UTF-8 LC_ALL=en_US.UTF-8 nohup bash -lc \"cd ${ROOT} && exec /usr/games/steam -gamepadui -fullscreen -no-cef-sandbox\" >/home/steam/steam-app.log 2>&1 < /dev/null &'"
+        "bash -lc '/root/.config/sunshine/start-steam.sh'"
       ],
       "prep-cmd": [
         {
@@ -28,19 +28,6 @@
         }
       ],
       "image-path": "desktop.png"
-    },
-    {
-      "name": "Steam Manual Start",
-      "detached": [
-        "bash -lc 'id steam >/dev/null 2>&1 || useradd -m -s /bin/bash steam; ROOT=/home/steam/.local/share/Steam/debian-installation; mkdir -p ${ROOT} /tmp/xdg-steam /home/steam/tmp; ln -sfn /home/steam/.local/share/Steam /home/steam/.steam; chown -R steam:steam /home/steam /tmp/xdg-steam; pkill -u steam -f \"steam|steamwebhelper|steam-runtime\" >/dev/null 2>&1 || true; sleep 1; runuser -u steam -- env DISPLAY=:99 HOME=/home/steam XDG_RUNTIME_DIR=/tmp/xdg-steam TMPDIR=/home/steam/tmp LANG=en_US.UTF-8 LC_ALL=en_US.UTF-8 nohup bash -lc \"cd ${ROOT} && exec /usr/games/steam -gamepadui -fullscreen -no-cef-sandbox\" >/home/steam/steam-app.log 2>&1 < /dev/null &'"
-      ],
-      "prep-cmd": [
-        {
-          "do": "",
-          "undo": ""
-        }
-      ],
-      "image-path": "steam.png"
     }
   ]
 }

players/p3_config/keep-steam-window.sh

@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+export DISPLAY=:99
+
+SCREEN_W=1920
+SCREEN_H=1080
+TOOLBAR_H=32
+
+find_window() {
+  local title="$1"
+  xwininfo -root -tree 2>/dev/null | grep "\"${title}\"" | head -1 | awk '{print $1}'
+}
+
+window_state() {
+  xwininfo -id "$1" 2>/dev/null | awk '/Map State/{print $NF}'
+}
+
+center_window() {
+  local wid="$1"
+  local geom w h x y
+  geom="$(xwininfo -id "${wid}" 2>/dev/null | awk '/-geometry/{print $2}')"
+  w="${geom%%x*}"
+  h="${geom#*x}"; h="${h%%+*}"
+  [ -n "${w}" ] && [ -n "${h}" ] || return 0
+  x=$(( (SCREEN_W - w) / 2 ))
+  y=$(( (SCREEN_H - TOOLBAR_H - h) / 2 ))
+  [ "${y}" -lt 0 ] && y=0
+  xdotool windowmove "${wid}" "${x}" "${y}" 2>/dev/null || true
+}
+
+while pgrep -u steam -f "steam -srt-logger-opened" >/dev/null 2>&1; do
+  wid=""
+  for title in "Sign in to Steam" "Steam Big Picture Mode"; do
+    wid="$(find_window "${title}")"
+    [ -n "${wid}" ] && break
+  done
+
+  if [ -n "${wid}" ]; then
+    state="$(window_state "${wid}")"
+    if [ "${state}" = "IsUnMapped" ] || [ -z "${state}" ]; then
+      xdotool windowmap "${wid}" 2>/dev/null || true
+    fi
+    xdotool windowraise "${wid}" 2>/dev/null || true
+    center_window "${wid}"
+    xdotool windowactivate "${wid}" 2>/dev/null || true
+  fi
+  sleep 0.5
+done

players/p3_config/start-steam.sh

@@ -0,0 +1,118 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+exec 9>/tmp/start-steam.lock
+flock -n 9 || exit 0
+
+id steam >/dev/null 2>&1 || useradd -m -s /bin/bash steam
+STEAM_UID="$(id -u steam)"
+
+ROOT=/home/steam/.local/share/Steam/debian-installation
+mkdir -p "${ROOT}" /tmp/xdg-steam /home/steam/tmp /run/dbus
+ln -sfn /home/steam/.local/share/Steam /home/steam/.steam
+chown -R steam:steam /home/steam /tmp/xdg-steam
+
+ensure_dbus() {
+  if ! dbus-send --system --print-reply --dest=org.freedesktop.DBus /org/freedesktop/DBus org.freedesktop.DBus.ListNames >/dev/null 2>&1; then
+    rm -f /run/dbus/pid
+    dbus-daemon --system --fork >/dev/null 2>&1 || true
+  fi
+}
+
+ensure_fluxbox() {
+  cp -f /etc/game-server/fluxbox/init /root/.fluxbox/init 2>/dev/null || true
+  if ps -eo stat=,comm= 2>/dev/null | awk '$2=="fluxbox" && $1 !~ /Z/ { exit 0 } END { exit 1 }'; then
+    FB="$(ps -eo pid=,stat=,comm= | awk '$3=="fluxbox" && $2 !~ /Z/ {print $1; exit}')"
+    DISPLAY=:99 fluxbox-remote reloadconfig 2>/dev/null || kill -USR1 "${FB}" 2>/dev/null || true
+    return 0
+  fi
+  DISPLAY=:99 HOME=/root fluxbox >/dev/null 2>&1 &
+  sleep 1
+}
+
+restart_fluxbox() {
+  pkill -x fluxbox >/dev/null 2>&1 || true
+  sleep 1
+  cp -f /etc/game-server/fluxbox/init /root/.fluxbox/init 2>/dev/null || true
+  DISPLAY=:99 HOME=/root fluxbox >/dev/null 2>&1 &
+  sleep 1
+  DISPLAY=:99 xsetroot -solid "#3c3c3c" 2>/dev/null || true
+}
+
+steam_running() {
+  pgrep -u steam -f "${ROOT}/ubuntu12_32/steam -srt-logger-opened" >/dev/null 2>&1
+}
+
+steam_ui_visible() {
+  DISPLAY=:99 xwininfo -root -tree 2>/dev/null | grep -qE "Steam Big Picture Mode|Sign in to Steam"
+}
+
+ensure_window_keeper() {
+  command -v xdotool >/dev/null 2>&1 || return 0
+  pgrep -f keep-steam-window.sh >/dev/null 2>&1 && return 0
+  setsid bash /root/.config/sunshine/keep-steam-window.sh >/dev/null 2>&1 &
+}
+
+schedule_gamepadui_once() {
+  [ -f /tmp/steam-gamepadui-done ] && return 0
+  setsid bash -lc '
+    for _ in $(seq 1 90); do
+      pgrep -u steam -f steamwebhelper >/dev/null 2>&1 && break
+      sleep 1
+    done
+    sleep 5
+    runuser -u steam -- env \
+      DISPLAY=:99 \
+      HOME=/home/steam \
+      XDG_RUNTIME_DIR=/tmp/xdg-steam \
+      TMPDIR=/home/steam/tmp \
+      LANG=en_US.UTF-8 \
+      LC_ALL=en_US.UTF-8 \
+      /usr/games/steam steam://open/gamepadui >/dev/null 2>&1 || true
+    touch /tmp/steam-gamepadui-done
+  ' >/dev/null 2>&1 &
+}
+
+stop_steam() {
+  pkill -9 -u steam -f "steam|steamwebhelper|steam-runtime|steam-runtime-launcher" >/dev/null 2>&1 || true
+  pkill -f keep-steam-window.sh >/dev/null 2>&1 || true
+  sleep 1
+  rm -f /home/steam/.local/share/Steam/steam.pid \
+        /home/steam/.local/share/Steam/steam.pipe \
+        /home/steam/.local/share/Steam/steam.token \
+        /tmp/steam-gamepadui-done
+  rm -rf /home/steam/.local/share/Steam/debian-installation/config/htmlcache
+  rm -rf /tmp/dumps/completed /tmp/dumps/*.lock 2>/dev/null || true
+  rm -f /dev/shm/u"${STEAM_UID}"-* /dev/shm/u"${STEAM_UID}"-ValveIPC* /dev/shm/.org.chromium.* /dev/shm/pulse-* 2>/dev/null || true
+}
+
+ensure_dbus
+restart_fluxbox
+
+if steam_running; then
+  if steam_ui_visible; then
+    ensure_window_keeper
+    exit 0
+  fi
+  schedule_gamepadui_once
+  ensure_window_keeper
+  exit 0
+fi
+
+stop_steam
+ensure_dbus
+restart_fluxbox
+
+setsid runuser -u steam -- env \
+  DISPLAY=:99 \
+  HOME=/home/steam \
+  XDG_RUNTIME_DIR=/tmp/xdg-steam \
+  TMPDIR=/home/steam/tmp \
+  LANG=en_US.UTF-8 \
+  LC_ALL=en_US.UTF-8 \
+  bash -lc "cd ${ROOT} && exec /usr/games/steam -silent -no-cef-sandbox" \
+  >>/home/steam/steam-app.log 2>&1 &
+
+schedule_gamepadui_once
+ensure_window_keeper
+exit 0

players/p4_config/apps.json

@@ -6,7 +6,7 @@
     {
       "name": "Steam Big Picture",
       "detached": [
-        "bash -lc 'id steam >/dev/null 2>&1 || useradd -m -s /bin/bash steam; ROOT=/home/steam/.local/share/Steam/debian-installation; mkdir -p ${ROOT} /tmp/xdg-steam /home/steam/tmp; ln -sfn /home/steam/.local/share/Steam /home/steam/.steam; chown -R steam:steam /home/steam /tmp/xdg-steam; pkill -u steam -f \"steam|steamwebhelper|steam-runtime\" >/dev/null 2>&1 || true; sleep 1; runuser -u steam -- env DISPLAY=:99 HOME=/home/steam XDG_RUNTIME_DIR=/tmp/xdg-steam TMPDIR=/home/steam/tmp LANG=en_US.UTF-8 LC_ALL=en_US.UTF-8 nohup bash -lc \"cd ${ROOT} && exec /usr/games/steam -gamepadui -fullscreen -no-cef-sandbox\" >/home/steam/steam-app.log 2>&1 < /dev/null &'"
+        "bash -lc '/root/.config/sunshine/start-steam.sh'"
       ],
       "prep-cmd": [
         {
@@ -28,19 +28,6 @@
         }
       ],
       "image-path": "desktop.png"
-    },
-    {
-      "name": "Steam Manual Start",
-      "detached": [
-        "bash -lc 'id steam >/dev/null 2>&1 || useradd -m -s /bin/bash steam; ROOT=/home/steam/.local/share/Steam/debian-installation; mkdir -p ${ROOT} /tmp/xdg-steam /home/steam/tmp; ln -sfn /home/steam/.local/share/Steam /home/steam/.steam; chown -R steam:steam /home/steam /tmp/xdg-steam; pkill -u steam -f \"steam|steamwebhelper|steam-runtime\" >/dev/null 2>&1 || true; sleep 1; runuser -u steam -- env DISPLAY=:99 HOME=/home/steam XDG_RUNTIME_DIR=/tmp/xdg-steam TMPDIR=/home/steam/tmp LANG=en_US.UTF-8 LC_ALL=en_US.UTF-8 nohup bash -lc \"cd ${ROOT} && exec /usr/games/steam -gamepadui -fullscreen -no-cef-sandbox\" >/home/steam/steam-app.log 2>&1 < /dev/null &'"
-      ],
-      "prep-cmd": [
-        {
-          "do": "",
-          "undo": ""
-        }
-      ],
-      "image-path": "steam.png"
     }
   ]
 }

players/p4_config/keep-steam-window.sh

@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+export DISPLAY=:99
+
+SCREEN_W=1920
+SCREEN_H=1080
+TOOLBAR_H=32
+
+find_window() {
+  local title="$1"
+  xwininfo -root -tree 2>/dev/null | grep "\"${title}\"" | head -1 | awk '{print $1}'
+}
+
+window_state() {
+  xwininfo -id "$1" 2>/dev/null | awk '/Map State/{print $NF}'
+}
+
+center_window() {
+  local wid="$1"
+  local geom w h x y
+  geom="$(xwininfo -id "${wid}" 2>/dev/null | awk '/-geometry/{print $2}')"
+  w="${geom%%x*}"
+  h="${geom#*x}"; h="${h%%+*}"
+  [ -n "${w}" ] && [ -n "${h}" ] || return 0
+  x=$(( (SCREEN_W - w) / 2 ))
+  y=$(( (SCREEN_H - TOOLBAR_H - h) / 2 ))
+  [ "${y}" -lt 0 ] && y=0
+  xdotool windowmove "${wid}" "${x}" "${y}" 2>/dev/null || true
+}
+
+while pgrep -u steam -f "steam -srt-logger-opened" >/dev/null 2>&1; do
+  wid=""
+  for title in "Sign in to Steam" "Steam Big Picture Mode"; do
+    wid="$(find_window "${title}")"
+    [ -n "${wid}" ] && break
+  done
+
+  if [ -n "${wid}" ]; then
+    state="$(window_state "${wid}")"
+    if [ "${state}" = "IsUnMapped" ] || [ -z "${state}" ]; then
+      xdotool windowmap "${wid}" 2>/dev/null || true
+    fi
+    xdotool windowraise "${wid}" 2>/dev/null || true
+    center_window "${wid}"
+    xdotool windowactivate "${wid}" 2>/dev/null || true
+  fi
+  sleep 0.5
+done

players/p4_config/start-steam.sh

@@ -0,0 +1,118 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+exec 9>/tmp/start-steam.lock
+flock -n 9 || exit 0
+
+id steam >/dev/null 2>&1 || useradd -m -s /bin/bash steam
+STEAM_UID="$(id -u steam)"
+
+ROOT=/home/steam/.local/share/Steam/debian-installation
+mkdir -p "${ROOT}" /tmp/xdg-steam /home/steam/tmp /run/dbus
+ln -sfn /home/steam/.local/share/Steam /home/steam/.steam
+chown -R steam:steam /home/steam /tmp/xdg-steam
+
+ensure_dbus() {
+  if ! dbus-send --system --print-reply --dest=org.freedesktop.DBus /org/freedesktop/DBus org.freedesktop.DBus.ListNames >/dev/null 2>&1; then
+    rm -f /run/dbus/pid
+    dbus-daemon --system --fork >/dev/null 2>&1 || true
+  fi
+}
+
+ensure_fluxbox() {
+  cp -f /etc/game-server/fluxbox/init /root/.fluxbox/init 2>/dev/null || true
+  if ps -eo stat=,comm= 2>/dev/null | awk '$2=="fluxbox" && $1 !~ /Z/ { exit 0 } END { exit 1 }'; then
+    FB="$(ps -eo pid=,stat=,comm= | awk '$3=="fluxbox" && $2 !~ /Z/ {print $1; exit}')"
+    DISPLAY=:99 fluxbox-remote reloadconfig 2>/dev/null || kill -USR1 "${FB}" 2>/dev/null || true
+    return 0
+  fi
+  DISPLAY=:99 HOME=/root fluxbox >/dev/null 2>&1 &
+  sleep 1
+}
+
+restart_fluxbox() {
+  pkill -x fluxbox >/dev/null 2>&1 || true
+  sleep 1
+  cp -f /etc/game-server/fluxbox/init /root/.fluxbox/init 2>/dev/null || true
+  DISPLAY=:99 HOME=/root fluxbox >/dev/null 2>&1 &
+  sleep 1
+  DISPLAY=:99 xsetroot -solid "#3c3c3c" 2>/dev/null || true
+}
+
+steam_running() {
+  pgrep -u steam -f "${ROOT}/ubuntu12_32/steam -srt-logger-opened" >/dev/null 2>&1
+}
+
+steam_ui_visible() {
+  DISPLAY=:99 xwininfo -root -tree 2>/dev/null | grep -qE "Steam Big Picture Mode|Sign in to Steam"
+}
+
+ensure_window_keeper() {
+  command -v xdotool >/dev/null 2>&1 || return 0
+  pgrep -f keep-steam-window.sh >/dev/null 2>&1 && return 0
+  setsid bash /root/.config/sunshine/keep-steam-window.sh >/dev/null 2>&1 &
+}
+
+schedule_gamepadui_once() {
+  [ -f /tmp/steam-gamepadui-done ] && return 0
+  setsid bash -lc '
+    for _ in $(seq 1 90); do
+      pgrep -u steam -f steamwebhelper >/dev/null 2>&1 && break
+      sleep 1
+    done
+    sleep 5
+    runuser -u steam -- env \
+      DISPLAY=:99 \
+      HOME=/home/steam \
+      XDG_RUNTIME_DIR=/tmp/xdg-steam \
+      TMPDIR=/home/steam/tmp \
+      LANG=en_US.UTF-8 \
+      LC_ALL=en_US.UTF-8 \
+      /usr/games/steam steam://open/gamepadui >/dev/null 2>&1 || true
+    touch /tmp/steam-gamepadui-done
+  ' >/dev/null 2>&1 &
+}
+
+stop_steam() {
+  pkill -9 -u steam -f "steam|steamwebhelper|steam-runtime|steam-runtime-launcher" >/dev/null 2>&1 || true
+  pkill -f keep-steam-window.sh >/dev/null 2>&1 || true
+  sleep 1
+  rm -f /home/steam/.local/share/Steam/steam.pid \
+        /home/steam/.local/share/Steam/steam.pipe \
+        /home/steam/.local/share/Steam/steam.token \
+        /tmp/steam-gamepadui-done
+  rm -rf /home/steam/.local/share/Steam/debian-installation/config/htmlcache
+  rm -rf /tmp/dumps/completed /tmp/dumps/*.lock 2>/dev/null || true
+  rm -f /dev/shm/u"${STEAM_UID}"-* /dev/shm/u"${STEAM_UID}"-ValveIPC* /dev/shm/.org.chromium.* /dev/shm/pulse-* 2>/dev/null || true
+}
+
+ensure_dbus
+restart_fluxbox
+
+if steam_running; then
+  if steam_ui_visible; then
+    ensure_window_keeper
+    exit 0
+  fi
+  schedule_gamepadui_once
+  ensure_window_keeper
+  exit 0
+fi
+
+stop_steam
+ensure_dbus
+restart_fluxbox
+
+setsid runuser -u steam -- env \
+  DISPLAY=:99 \
+  HOME=/home/steam \
+  XDG_RUNTIME_DIR=/tmp/xdg-steam \
+  TMPDIR=/home/steam/tmp \
+  LANG=en_US.UTF-8 \
+  LC_ALL=en_US.UTF-8 \
+  bash -lc "cd ${ROOT} && exec /usr/games/steam -silent -no-cef-sandbox" \
+  >>/home/steam/steam-app.log 2>&1 &
+
+schedule_gamepadui_once
+ensure_window_keeper
+exit 0

scripts/entrypoint.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+set -e
+
+rm -f /tmp/.X99-lock /tmp/.X11-unix/X99
+
+id steam >/dev/null 2>&1 || useradd -m -s /bin/bash steam
+mkdir -p /home/steam/.local/share/Steam /tmp/xdg-steam /home/steam/tmp
+ln -sfn /home/steam/.local/share/Steam /home/steam/.steam
+chown -R steam:steam /home/steam /tmp/xdg-steam
+
+mkdir -p /run/dbus
+rm -f /run/dbus/pid
+dbus-daemon --system --fork || true
+
+Xorg :99 -config /etc/X11/xorg-dummy.conf -nolisten tcp -noreset \
+  +extension GLX +extension RANDR +extension RENDER &
+
+export DISPLAY=:99
+export HOME=/root
+export LANG=en_US.UTF-8
+export LC_ALL=en_US.UTF-8
+
+mkdir -p /root/.fluxbox
+cp -f /etc/game-server/fluxbox/init /root/.fluxbox/init
+
+sleep 3
+fluxbox &
+sleep 2
+xsetroot -solid "#3c3c3c" 2>/dev/null || true
+
+exec /usr/bin/sunshine

scripts/fluxbox/init

@@ -0,0 +1,17 @@
+session.menuFile:	~/.fluxbox/menu
+session.keyFile:	~/.fluxbox/keys
+session.styleFile:	/usr/share/fluxbox/styles/Emerge
+session.configVersion:	13
+
+session.screen0.toolbar.visible:	true
+session.screen0.toolbar.placement:	BottomCenter
+session.screen0.toolbar.height:	32
+session.screen0.toolbar.autoHide:	false
+session.screen0.toolbar.widthPercent:	100
+session.screen0.toolbar.layer:	Top
+session.screen0.toolbar.onhead:	0
+session.screen0.toolbar.maxOver:	true
+session.screen0.toolbar.alpha:	255
+session.screen0.toolbar.tools:	clock, iconbar, systemtray
+
+session.screen0.strftimeFormat:	%d %b %H:%M