Add ecosystem guides (#3847)

* Add ecosystem guides

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1 files changed, 30 insertions, 0 deletions

diff --git a/docs/guides/install/custom-registry.md b/docs/guides/install/custom-registry.md
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+++ b/docs/guides/install/custom-registry.md
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+---
+name: Override the default npm registry for bun install
+---
+
+The default registry is `registry.npmjs.org`. This can be globally configured in `bunfig.toml`.
+
+```toml#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"
+```
+
+---
+
+Your `bunfig.toml` can reference environment variables. Bun automatically loads environment variables from `.env.local`, `.env.[NODE_ENV]`, and `.env`. See [Docs > Environment variables](/docs/cli/run#environment-variables) for more information.
+
+```toml#bunfig.toml
+[install]
+registry = { url = "https://registry.npmjs.org", token = "$npm_token" }
+```
+
+---
+
+See [Docs > Package manager](/docs/cli/install) for complete documentation of Bun's package manager.