.npmrc or bunfig.toml. Both work; we recommend bunfig.toml for its Bun-specific options.
To configure a registry for a particular npm scope:
bunfig.toml
Your
bunfig.toml can reference environment variables. Bun automatically loads environment variables from .env.local, .env.[NODE_ENV], and .env. See Environment variables.
bunfig.toml
See
bun install.