The LinuxServer.io team brings you another container release featuring:

regular and timely application updates
easy user mappings (PGID, PUID)
custom base image with s6 overlay
weekly base OS updates with common layers across the entire LinuxServer.io ecosystem to minimise space usage, down time and bandwidth
regular security updates

Find us at:

Blog - all the things you can do with our containers including How-To guides, opinions and much more!
Discord - realtime support / chat with the community and the team.
Discourse - post on our community forum.
Fleet - an online web interface which displays all of our maintained images.
GitHub - view the source for all of our repositories.
Open Collective - please consider helping us by either donating or contributing to our budget

Google Chrome Docker

This repository provides a Dockerfile to build a Docker container for Google Chrome, allowing you to run the browser in an isolated desktop environment via a web interface.

Application Setup

The application can be accessed at:

Modern GUI desktop apps have issues with the latest Docker and syscall compatibility, you can use Docker with the --security-opt seccomp=unconfined setting to allow these syscalls on hosts with older Kernels or libseccomp

Security

Warning

Do not put this on the Internet if you do not know what you are doing.

By default this container has no authentication and the optional environment variables CUSTOM_USER and PASSWORD to enable basic http auth via the embedded NGINX server should only be used to locally secure the container from unwanted access on a local network. If exposing this to the Internet we recommend putting it behind a reverse proxy, such as SWAG, and ensuring a secure authentication solution is in place. From the web interface a terminal can be launched and it is configured for passwordless sudo, so anyone with access to it can install and run whatever they want along with probing your local network.

Options in all KasmVNC based GUI containers

This container is based on Docker Baseimage KasmVNC which means there are additional environment variables and run configurations to enable or disable specific functionality.

Optional environment variables

Variable	Description
CUSTOM_PORT	Internal port the container listens on for http if it needs to be swapped from the default 3000.
CUSTOM_HTTPS_PORT	Internal port the container listens on for https if it needs to be swapped from the default 3001.
CUSTOM_USER	HTTP Basic auth username, abc is default.
PASSWORD	HTTP Basic auth password, abc is default. If unset there will be no auth
SUBFOLDER	Subfolder for the application if running a subfolder reverse proxy, need both slashes IE `/subfolder/`
TITLE	The page title displayed on the web browser, default "KasmVNC Client".
FM_HOME	This is the home directory (landing) for the file manager, default "/config".
START_DOCKER	If set to false a container with privilege will not automatically start the DinD Docker setup.
DRINODE	If mounting in /dev/dri for DRI3 GPU Acceleration allows you to specify the device to use IE `/dev/dri/renderD128`
DISABLE_IPV6	If set to true or any value this will disable IPv6
LC_ALL	Set the Language for the container to run as IE `fr_FR.UTF-8` `ar_AE.UTF-8`
NO_DECOR	If set the application will run without window borders in openbox for use as a PWA.
NO_FULL	Do not autmatically fullscreen applications when using openbox.

Optional run configurations

Variable	Description
`--privileged`	Will start a Docker in Docker (DinD) setup inside the container to use docker in an isolated environment. For increased performance mount the Docker directory inside the container to the host IE `-v /home/user/docker-data:/var/lib/docker`.
`-v /var/run/docker.sock:/var/run/docker.sock`	Mount in the host level Docker socket to either interact with it via CLI or use Docker enabled applications.
`--device /dev/dri:/dev/dri`	Mount a GPU into the container, this can be used in conjunction with the `DRINODE` environment variable to leverage a host video card for GPU accelerated applications. Only Open Source drivers are supported IE (Intel,AMDGPU,Radeon,ATI,Nouveau)

Language Support - Internationalization

The environment variable LC_ALL can be used to start this container in a different language than English simply pass for example to launch the Desktop session in French LC_ALL=fr_FR.UTF-8. Some languages like Chinese, Japanese, or Korean will be missing fonts needed to render properly known as cjk fonts, but others may exist and not be installed inside the container depending on what underlying distribution you are running. We only ensure fonts for Latin characters are present. Fonts can be installed with a mod on startup.

To install cjk fonts on startup as an example pass the environment variables (Alpine base):

-e DOCKER_MODS=linuxserver/mods:universal-package-install 
-e INSTALL_PACKAGES=fonts-noto-cjk
-e LC_ALL=zh_CN.UTF-8

The web interface has the option for "IME Input Mode" in Settings which will allow non english characters to be used from a non en_US keyboard on the client. Once enabled it will perform the same as a local Linux installation set to your locale.

DRI3 GPU Acceleration (KasmVNC interface)

For accelerated apps or games, render devices can be mounted into the container and leveraged by applications using:

--device /dev/dri:/dev/dri

This feature only supports Open Source GPU drivers:

Driver	Description
Intel	i965 and i915 drivers for Intel iGPU chipsets
AMD	AMDGPU, Radeon, and ATI drivers for AMD dedicated or APU chipsets
NVIDIA	nouveau2 drivers only, closed source NVIDIA drivers lack DRI3 support

The DRINODE environment variable can be used to point to a specific GPU. Up to date information can be found here

Nvidia GPU Support (KasmVNC interface)

Nvidia support is not compatible with Alpine based images as Alpine lacks Nvidia drivers

Nvidia support is available by leveraging Zink for OpenGL support. This can be enabled with the following run flags:

Variable	Description
--gpus all	This can be filtered down but for most setups this will pass the one Nvidia GPU on the system
--runtime nvidia	Specify the Nvidia runtime which mounts drivers and tools in from the host

The compose syntax is slightly different for this as you will need to set nvidia as the default runtime:

sudo nvidia-ctk runtime configure --runtime=docker --set-as-default
sudo service docker restart

And to assign the GPU in compose:

services:
  google-chrome:
    build: .
    deploy:
      resources:
        reservations:
          devices:
            - driver: nvidia
              count: 1
              capabilities: [compute,video,graphics,utility]

Application management

PRoot Apps

If you run system native installations of software IE sudo apt-get install filezilla and then upgrade or destroy/re-create the container that software will be removed and the container will be at a clean state. For some users that will be acceptable and they can update their system packages as well using system native commands like apt-get upgrade. If you want Docker to handle upgrading the container and retain your applications and settings we have created proot-apps which allow portable applications to be installed to persistent storage in the user's $HOME directory and they will work in a confined Docker environment out of the box. These applications and their settings will persist upgrades of the base container and can be mounted into different flavors of KasmVNC based containers on the fly. This can be achieved from the command line with:

proot-apps install filezilla

PRoot Apps is included in all KasmVNC based containers, a list of linuxserver.io supported applications is located HERE.

Native Apps

It is possible to install extra packages during container start using universal-package-install. It might increase starting time significantly. PRoot is preferred.

  environment:
    - DOCKER_MODS=linuxserver/mods:universal-package-install
    - INSTALL_PACKAGES=libfuse2|git|gdb

Usage

The recommended docker-compose method described below is for building the Docker image from the source files in this repository. Pre-built images, which can be pulled directly, are also typically available from LinuxServer.io through Docker Hub and other registries (as indicated by the badges and links at the top of this document).

To help you get started creating a container from this image you can either use docker-compose or the docker cli.

Note

Unless a parameter is flaged as 'optional', it is mandatory and a value must be provided.

docker-compose (recommended, click here for more info)

---
services:
  google-chrome:
    build: .
    container_name: google-chrome
    security_opt:
      - seccomp:unconfined #optional
    environment:
      - PUID=1000
      - PGID=1000
      - TZ=Etc/UTC
      - CHROME_CLI=https://www.linuxserver.io/ #optional
    volumes:
      - /path/to/config:/config
    ports:
      - 3000:3000
      - 3001:3001
    shm_size: "1gb"
    restart: unless-stopped

Parameters

Containers are configured using parameters passed at runtime (such as those above). These parameters are separated by a colon and indicate <external>:<internal> respectively. For example, -p 8080:80 would expose port 80 from inside the container to be accessible from the host's IP on port 8080 outside the container.

Parameter	Function
`-p 3000:3000`	Google Chrome desktop gui.
`-p 3001:3001`	HTTPS Google Chrome desktop gui.
`-e PUID=1000`	for UserID - see below for explanation
`-e PGID=1000`	for GroupID - see below for explanation
`-e TZ=Etc/UTC`	specify a timezone to use, see this list.
`-e CHROME_CLI=https://www.linuxserver.io/`	Specify one or multiple Google Chrome CLI flags, this string will be passed to the application in full.
`-v /config`	Users home directory in the container, stores local files and settings
`--shm-size=`	This is needed for any modern website to function like youtube.
`--security-opt seccomp=unconfined`	For Docker Engine only, many modern gui apps need this to function on older hosts as syscalls are unknown to Docker. Google Chrome runs in no-sandbox test mode without it.

Environment variables from files (Docker secrets)

You can set any environment variable from a file by using a special prepend FILE__.

As an example:

-e FILE__MYVAR=/run/secrets/mysecretvariable

Will set the environment variable MYVAR based on the contents of the /run/secrets/mysecretvariable file.

Umask for running applications

For all of our images we provide the ability to override the default umask settings for services started within the containers using the optional -e UMASK=022 setting. Keep in mind umask is not chmod it subtracts from permissions based on it's value it does not add. Please read up here before asking for support.

User / Group Identifiers

When using volumes (-v flags), permissions issues can arise between the host OS and the container, we avoid this issue by allowing you to specify the user PUID and group PGID.

Ensure any volume directories on the host are owned by the same user you specify and any permissions issues will vanish like magic.

In this instance PUID=1000 and PGID=1000, to find yours use id your_user as below:

id your_user

Example output:

uid=1000(your_user) gid=1000(your_user) groups=1000(your_user)

Docker Mods

We publish various Docker Mods to enable additional functionality within the containers. The list of Mods available for this image (if any) as well as universal mods that can be applied to any one of our images can be accessed via the dynamic badges above.

Support Info

Shell access whilst the container is running:
```
docker exec -it google-chrome /bin/bash
```
To monitor the logs of the container in realtime:
```
docker logs -f google-chrome
```

Container version number:

docker inspect -f '{{ index .Config.Labels "build_version" }}' google-chrome

Image version number: Since this README focuses on building the image from source, the version typically corresponds to the version of Google Chrome installed by the Dockerfile at the time you build it, or the commit/tag of this Git repository that you are using. You can also check the build log or inspect the locally built image (e.g., docker inspect -f '{{ index .Config.Labels "build_version" }}' google-chrome:latest if you tagged it as google-chrome:latest during a manual build, or the image ID if built via docker-compose build without explicit tagging in the compose file).

Updating Info

Most of our images are static, versioned, and require an image update and container recreation to update the app inside. With some exceptions (noted in the relevant readme.md), we do not recommend or support updating apps inside the container. Please consult the Application Setup section above to see if it is recommended for the image.

Below are the instructions for updating containers:

Via Docker Compose

When using the docker-compose.yml with build: ., updates are typically managed by fetching the latest changes from the Git repository and then rebuilding your local image.

Fetch the latest changes for the repository:
```
git pull
```
Then, rebuild the image and recreate the container. You can do this in one step:
```
docker-compose up -d --build
```
Alternatively, you can build separately and then bring the services up:
```
docker-compose build
docker-compose up -d
```
You can also remove old dangling images after updating:
```
docker image prune
```

Building locally

If you want to make local modifications to these images for development purposes or just to customize the logic:

git clone https://github.com/linuxserver/docker-chromium.git
cd docker-chromium

If you are using the docker-compose.yml example from the Usage section (which includes build: .), Docker Compose will handle building the image for you when you run docker-compose up --build or docker-compose build. The docker build command below is for building the Docker image directly without Docker Compose.

docker build \
  --no-cache \
  --pull \
  -t google-chrome:latest .

For development, you can also integrate this build into a docker-compose.override.yml if you are using docker-compose for your development environment, or simply run docker-compose build servicename if you have a docker-compose.yml that defines the build context for this image.

The ARM variants can be built on x86_64 hardware and vice versa using lscr.io/linuxserver/qemu-static

docker run --rm --privileged lscr.io/linuxserver/qemu-static --reset

Once registered you can define the dockerfile to use with -f Dockerfile.aarch64.

Versions

03.04.25: - Update Google Chrome launch options to improve performance.
10.02.24: - Update Readme with new env vars and ingest proper PWA icon.
08.01.24: - Fix re-launch issue for Google Chrome by purging temp files on launch.
29.12.23: - Rebase to Debian Bookworm.
13.05.23: - Rebase to Alpine 3.18.
01.04.23: - Preserve arguments passed to Google Chrome and restructure to use wrapper.
18.03.23: - Initial release.

License

DustyTurtleDip/docker-chrome

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