Environment variables

BIOME_LOG_PREFIX_NAME

A prefix that's added to the name of the log. Default: server.log.

BIOME_LOG_PATH

The directory where the Daemon logs will be saved.

BIOME_CONFIG_PATH

A path to the configuration file

BIOME_BINARY

Overrides the Biome binary being used. This allows you, for example, to use a system-wide Biome binary.

If you don't define this variable, Biome will automatically detect the correct binary for your platform.

# Nix derivation example; the binary path comes from "${pkgs.biome}/bin/biome"
BIOME_BINARY=/nix/store/68fyfw1hidsqkal1839whi3nzgvqv4pa-biome-1.0.0/bin/biome npx @biomejs/biome format .

RUST_BACKTRACE

Enables capturing the backtrace when Biome panicked. This allows you to identify where the panic occurred.

RUST_BACKTRACE=1 npx @biomejs/biome check .