Environment variables

The CLI documents every variable it reads in crates/tauri-cli/ENVIRONMENT_VARIABLES.md. This page is a navigational summary; the canonical list is the file in the repo.

CLI

Variable	Effect
TAURI_CLI_VERBOSITY	Persists verbosity level across CLI subprocesses (xcode-script, android-studio-script).
TAURI_CLI_NO_DEV_SERVER_WAIT	Skip waiting for the frontend dev server to come up in dev.
TAURI_CLI_PORT	Pin the CLI's network listener port for IPC with subprocesses.
TAURI_CLI_CONFIG_DEPTH	Limit how far the CLI walks for a config when resolving paths.
TAURI_BUNDLER_TOOLS_GITHUB_MIRROR	Mirror used for downloading bundling tools (NSIS, etc.).
TAURI_SIGNING_PRIVATE_KEY	Path or value of the updater signing key.
TAURI_SIGNING_PRIVATE_KEY_PASSWORD	Password for the signing key.
TAURI_BUNDLER_NSIS_*	NSIS-specific overrides (template path, custom plugin dirs).
TAURI_BUNDLER_WIX_*	WiX-specific overrides.
APPLE_ID, APPLE_PASSWORD, APPLE_TEAM_ID, APPLE_API_KEY*, APPLE_CERTIFICATE*	macOS notarization and codesigning.
ANDROID_HOME, NDK_HOME, ANDROID_NDK_HOME	Android toolchain discovery used by crates/tauri-cli/src/mobile/android/.

The full list with up-to-date descriptions: crates/tauri-cli/ENVIRONMENT_VARIABLES.md.

Runtime

The runtime crate reads:

• TAURI_DEV_HOST — when dev mode is forwarding network traffic to the frontend dev server (mobile testing scenarios).
• WEBKIT_DISABLE_DMABUF_RENDERER, WEBKIT_DISABLE_COMPOSITING_MODE — passed through to the WebKitGTK process on Linux as a workaround for known driver issues.

Tauri does not invent OS-level env vars beyond the TAURI_* prefix. Other vars (RUST_LOG, WEBKIT_*, XDG_DATA_HOME, …) come from the underlying ecosystems and behave normally.

Logging

RUST_LOG controls the log and tracing filters when those are wired up. The CLI's structured output is enabled by default (no env var needed) and respects --verbose.

For tracing-instrumented runtime logging, enable the tracing Cargo feature on tauri and configure tracing-subscriber in your app's main (the runtime does not install a subscriber for you).