![]() Keep in mind thatĪll variables are optional, meaning that none of them is required for the Kept to its default value, it means that it can be removed. Variables to fit its needs, it can also be confusing and dangerous to keep allĪ good practice is to set/keep only the variables that are needed for theĬontainer to behave as desired in a specific setup. While this can be useful for the user to adjust the value of environment Many tools used to manage Docker containers extract environment variablesĭefined by the Docker image and use them to create/deploy the container. This font contains a large range of Chinese/Japanese/Korean characters. When set to 1, open-source computer font WenQuanYi Zen Hei is installed. See the VNC Password section for more details. Password needed to connect to the application's GUI. NOTE: a value of -1 disables listening, meaning that the application's UI won't be accessible over VNC. However, if the container is created with another network type, changing the port used by the container might be useful to prevent conflict with other services/containers. By default, a container is created with the default bridge network, meaning that, to be accessible, each internal container port must be mapped to an external port (using the -p or -publish argument). This port is used internally by the container and it is usually not required to be changed. Port used by the VNC server to serve the UI of the application. NOTE: a value of -1 disables listening, meaning that the application's UI won't be accessible over HTTP/HTTPs. ![]() Port used by the web server to serve the UI of the application. When a change is detected, the affected services are automatically restarted. Interval, in seconds, at which the system verifies if web or VNC certificates have changed. See the Security section for more details. Method used to perform the secure VNC connection. When set to 1, an encrypted connection is used to access the application's GUI (either via a web browser or VNC client). When set to 1, dark mode is enabled for the application. Height (in pixels) of the application's window. Width (in pixels) of the application's window. Mirror of the repository to use when installing packages. ATTENTION: Container functionality can be affected when installing a package that overrides existing container files (e.g. List of available packages can be found at. ![]() Space-separated list of packages to install during the startup of the container. In this case, the container should be run with the docker option -cap-add=SYS_NICE. NOTE: A negative niceness (priority increase) requires additional permissions. A niceness value of -20 is the highest priority and 19 is the lowest priority. Priority at which the application should run. When set to 1, the application will be automatically restarted when it crashes or terminates. Timezone can also be set by mapping /etc/localtime between the host and the container. For example, Australian English using the UTF-8 encoding is en_AU.UTF-8. Format of the locale is language, where language is an ISO 639 language code, territory is an ISO 3166 country code and codeset is a character set, like UTF-8. Set the locale, which defines the application's language, if supported. By default, the default umask value is 0022, meaning that newly created files and folders are readable by everyone, but only writable by the owner. The value of the mask is in octal notation. ![]() Mask that controls how permissions are set for newly created files and folders. See User/Group IDs to better understand when this should be set.Ĭomma-separated list of supplementary group IDs of the application. See User/Group IDs to better understand when this should be set. Variables can be passed via the -e parameter (one for each variable). To customize some properties of the container, the following environment Set a network port mapping (exposes an internal container port to the host). See the Data Volumes section for more details. Set a volume mapping (allows to share a folder/file between the host and the container). See the Environment Variables section for more details. Pass an environment variable to the container. If not set, the container runs in the foreground.
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