rembenable only prisma:client-level debugging output
export DEBUG="prisma:client"
See [Debugging](../../prisma-client/debugging-and-troubleshooting/debugging/index.md) for more information.
### [`NO_COLOR`](#no_color)
`NO_COLOR` if [truthy](https://developer.mozilla.org/en-US/docs/Glossary/Truthy) will activate the `colorless` setting for error formatting and strip colors from error messages.
See [Formatting via environment variables](../../prisma-client/setup-and-configuration/error-formatting/index.md#formatting-via-environment-variables) for more information.
### [`BROWSER`](#browser)
`BROWSER` is for Prisma Studio to force which browser it should be open in, if not set it will open in the default browser.
BROWSER=firefox prisma studio --port 5555
Alternatively you can set this when starting Studio from the CLI as well:
prisma studio --browser firefox
See [Studio](../prisma-cli-reference/index.md#studio) documentation for more information.
### [`PRISMA_HIDE_PREVIEW_FLAG_WARNINGS`](#prisma_hide_preview_flag_warnings)
`PRISMA_HIDE_PREVIEW_FLAG_WARNINGS` hides the warning message that states that a preview feature flag can be removed. It is a truthy value.
### [`PRISMA_HIDE_UPDATE_MESSAGE`](#prisma_hide_update_message)
`PRISMA_HIDE_UPDATE_MESSAGE` is used to hide the update notification message that is shown when a newer Prisma CLI version is available. It's a truthy value.
### [`PRISMA_DISABLE_WARNINGS`](#prisma_disable_warnings)
Disables all CLI warnings generated by `logger.warn`.
### [`PRISMA_SCHEMA_DISABLE_ADVISORY_LOCK`](#prisma_schema_disable_advisory_lock)
Disables the [advisory locking](../../prisma-migrate/workflows/development-and-production/index.md#advisory-locking) used by Prisma Migrate. Useful for certain database configurations like Percona-XtraDB-Cluster or MariaDB Galera Cluster.
The Prisma CLI supports custom HTTP(S) proxies to download the Prisma engines. These can be helpful to use when working behind a corporate firewall. See [Using a HTTP proxy for the CLI](../prisma-cli-reference/index.md#using-a-http-proxy-for-the-cli) for more information.
### [`NO_PROXY`](#no_proxy)
`NO_PROXY` is a comma-separated list of hostnames or IP addresses that do not require a proxy.
NO_PROXY=myhostname.com,10.11.12.0/16,172.30.0.0/16
### [`HTTP_PROXY`](#http_proxy)
`HTTP_PROXY` is set with the hostname or IP address of a proxy server.
HTTP_PROXY=http://proxy.example.com
### [`HTTPS_PROXY`](#https_proxy)
`HTTPS_PROXY` is set with the hostname or IP address of a proxy server.
HTTPS_PROXY=https://proxy.example.com