@karsten13
Back to function! Several restarts without blank screen!

Output of docker compose config - in case it is useful…

name: magicmirror
services:
  labwc:
    container_name: labwc
    environment:
      LAB_WC_HIDE_CURSOR: "true"
      RANDR_PARAMS: ""
      RANDR_POLL: 1m
      XDG_RUNTIME_DIR: /tmp/labwc
    image: karsten13/labwc:latest
    networks:
      default: null
    privileged: true
    restart: always
    volumes:
      - type: bind
        source: /tmp/labwc
        target: /tmp/labwc
        bind: {}
      - type: bind
        source: /run/udev
        target: /run/udev
        bind: {}
  magicmirror:
    container_name: mm
    depends_on:
      labwc:
        condition: service_healthy
        restart: true
        required: true
    environment:
      DISPLAY: unix:0.0
      ELECTRON_ENABLE_GPU: "0"
      MM_CUSTOMCSS_FILE: css/custom.css
      MM_MODULES_DIR: modules
      MM_OVERRIDE_DEFAULT_MODULES: "true"
      MM_SCENARIO: electron
      MM_SHOW_CURSOR: "false"
      WAYLAND_DISPLAY: wayland-0
      XDG_RUNTIME_DIR: /tmp/labwc
    image: karsten13/magicmirror:latest
    network_mode: host
    privileged: true
    restart: always
    shm_size: "268435456"
    volumes:
      - type: bind
        source: /tmp/.X11-unix
        target: /tmp/.X11-unix
        bind: {}
      - type: bind
        source: /home/pi/.Xauthority
        target: /home/node/.Xauthority
        bind: {}
      - type: bind
        source: /tmp/labwc
        target: /tmp/labwc
        bind: {}
      - type: bind
        source: /opt/mm/mounts/config
        target: /opt/magic_mirror/config
        bind: {}
      - type: bind
        source: /opt/mm/mounts/modules
        target: /opt/magic_mirror/modules
        bind: {}
      - type: bind
        source: /opt/mm/mounts/css/custom.css
        target: /opt/magic_mirror/css/custom.css
        bind: {}
    post_start:
      - command:
          - /bin/sh
          - -c
          - |
            if [ "init" = "init" ]; then
              # update volume permissions
              chown -R 1000:1000 config modules css/custom.css
              chmod -R 777 config modules css/custom.css
            fi
            if command -v node_modules/.bin/electron > /dev/null; then
              # if electron is installed then start dbus-daemon to avoid errors in the logs
              dbus-daemon --system || true
            fi
        user: root
networks:
  default:
    name: magicmirror_default