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docs/images/docker-chromium.md

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@@ -96,7 +96,9 @@ To use hardware acceleration in Wayland mode, we distinguish between the card us
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* `DRINODE`: The path to the GPU used for **Rendering** (EGL).
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* `DRI_NODE`: The path to the GPU used for **Encoding** (VAAPI/NVENC).
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If both variables point to the same device, the container will automatically enable **Zero Copy** encoding, significantly reducing CPU usage and latency.
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If both variables point to the same device, the container will automatically enable **Zero Copy** encoding, significantly reducing CPU usage and latency. If they are set to different devices one will be used for **Rendering** and one for **Encoding** with a cpu readback.
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You can also use the environment variable `AUTO_GPU=true`, with this set the first card detected in the container (IE `/dev/dri/renderD128`) will be used and configured for **Zero Copy**.
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##### Intel & AMD (Open Source Drivers)
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##### Nvidia (Proprietary Drivers)
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**Note: Nvidia support is currently considered experimental, driver changes can break it at any time.**
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**Note: Nvidia support is not available for Alpine-based images.**
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**Note: Nvidia frames have issues with hardware decoders in Chromium browsers you need to navigate to `chrome://flags/#disable-accelerated-video-decode` and toggle it to `Disabled` for smooth playback**
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**Prerequisites:**
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1. **Driver:** Proprietary drivers **580 or higher** are required.
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2. **Kernel Parameter:** Set `nvidia-drm.modeset=1` in your host bootloader (GRUB/systemd-boot).
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3. **Initialization:** On headless systems, run `nvidia-modprobe --modeset` on the host (once per boot) to initialize the card.
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1. **Driver:** Proprietary drivers **580 or higher** are required. **Crucially, you should install the driver using the `.run` file downloaded directly from the Nvidia website.**
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* **Unraid:** Use the production branch from the Nvidia Driver Plugin.
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2. **Kernel Parameter:** You must set `nvidia-drm.modeset=1 nvidia_drm.fbdev=1` in your host bootloader.
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* **Standard Linux (GRUB):** Edit `/etc/default/grub` and add the parameter to your existing `GRUB_CMDLINE_LINUX_DEFAULT` line:
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```text
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GRUB_CMDLINE_LINUX_DEFAULT="<other existing options> nvidia-drm.modeset=1 nvidia_drm.fbdev=1"
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```
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Then apply the changes by running:
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```bash
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sudo update-grub
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```
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* **Unraid (Syslinux):** Edit the file `/boot/syslinux/syslinux.cfg` and add `nvidia-drm.modeset=1 nvidia_drm.fbdev=1` to the end of the `append` line for the Unraid OS boot entry.
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3. **Hardware Initialization:** **On headless systems, the Nvidia video card requires a physical dummy plug inserted into the GPU so that DRM initializes properly.**
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4. **Docker Runtime:** Configure the host docker daemon to use the Nvidia runtime:
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```bash
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capabilities: [compute,video,graphics,utility]
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```
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* **Unraid:** Ensure you're properly setting the DRINODE/DRI_NODE and adding `--gpus all --runtime nvidia` to your extra parameters.
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### SealSkin Compatibility
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This container is compatible with [SealSkin](https://sealskin.app).
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| Variable | Description |
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| :----: | --- |
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| PIXELFLUX_WAYLAND | **Experimental** If set to true the container will initialize in Wayland mode running [Smithay](https://github.com/Smithay/smithay) and Labwc while enabling zero copy encoding with a GPU |
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| SELKIES_DESKTOP | If set to true and in Wayland mode, a simple panel will be initialized with labwc |
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| CUSTOM_PORT | Internal port the container listens on for http if it needs to be swapped from the default `3000` |
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| CUSTOM_HTTPS_PORT | Internal port the container listens on for https if it needs to be swapped from the default `3001` |
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| CUSTOM_WS_PORT | Internal port the container listens on for websockets if it needs to be swapped from the default 8082 |
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| CUSTOM_USER | HTTP Basic auth username, abc is default. |
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| DRI_NODE | **Encoding GPU**: Enable VAAPI/NVENC stream encoding and use the specified device IE `/dev/dri/renderD128` |
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| DRINODE | **Rendering GPU**: Specify which GPU to use for EGL/3D acceleration IE `/dev/dri/renderD129` |
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| AUTO_GPU | If set to true and in Wayland mode, we will automatically use the first GPU available for encoding and rendering IE `/dev/dri/renderD128` |
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| PASSWORD | HTTP Basic auth password, abc is default. If unset there will be no auth |
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| SUBFOLDER | Subfolder for the application if running a subfolder reverse proxy, need both slashes IE `/subfolder/` |
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| TITLE | The page title displayed on the web browser, default "Selkies" |
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| `SELKIES_ENABLE_PLAYER3` | `True` | Enable sharing link for gamepad player 3. |
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| `SELKIES_ENABLE_PLAYER4` | `True` | Enable sharing link for gamepad player 4. |
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## Usage
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## Versions
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* **31.03.26:** - Make Wayland default disable with PIXELFLUX_WAYLAND=false.
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* **20.12.25:** - Add Wayland init logic.
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* **22.09.25:** - Rebase to Debian Trixie.
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* **01.07.25:** - Add Kasm branch.

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