bun.sh/docs/guides/install/custom-registry.md

name

name
Override the default npm registry for bun install

The default registry is registry.npmjs.org. This can be globally configured in bunfig.toml.

[install]
# set default registry as a string
registry = "https://registry.npmjs.org"

# if needed, set a token
registry = { url = "https://registry.npmjs.org", token = "123456" }

# if needed, set a username/password
registry = "https://username:password@registry.npmjs.org"

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Your bunfig.toml can reference environment variables. Bun automatically loads environment variables from .env.local, .env.[NODE_ENV], and .env. See Docs > Environment variables for more information.

[install]
registry = { url = "https://registry.npmjs.org", token = "$npm_token" }

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See Docs > Package manager for complete documentation of Bun's package manager.