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+Packages on `npm` can define _lifecycle scripts_ in their `package.json`. Some of the most common are below, but there are [many others](https://docs.npmjs.com/cli/v10/using-npm/scripts).
+
+- `preinstall`: Runs before the package is installed
+- `postinstall`: Runs after the package is installed
+- `preuninstall`: Runs before the package is uninstalled
+- `prepublishOnly`: Runs before the package is published
+
+These scripts are arbitrary shell commands that the package manager is expected to read and execute at the appropriate time. But executing arbitrary scripts represents a potential security risk, so—unlike other `npm` clients—Bun does not execute arbitrary lifecycle scripts by default.
+
+## `postinstall`
+
+The `postinstall` script is particularly important. It's widely used to build or install platform-specific binaries for packages that are implemented as [native Node.js add-ons](https://nodejs.org/api/addons.html). For example, `node-sass` is a popular package that uses `postinstall` to build a native binary for Sass.
+
+```json
+{
+  "name": "my-app",
+  "version": "1.0.0",
+  "dependencies": {
+    "node-sass": "^6.0.1"
+  }
+}
+```
+
+## `trustedDependencies`
+
+Instead of executing arbitrary scripts, Bun uses a "default-secure" approach. You can add certain packages to an allow list, and Bun will execute lifecycle scripts for those packages. To tell Bun to allow lifecycle scripts for a particular package, add the package name to `trustedDependencies` array in your `package.json`.
+
+```json-diff
+  {
+    "name": "my-app",
+    "version": "1.0.0",
++   "trustedDependencies": ["node-sass"]
+  }
+```
+
+Once added to `trustedDependencies`, install/re-install the package. Bun will read this field and run lifecycle scripts for `my-trusted-package`.
+
+## `--ignore-scripts`
+
+To disable lifecycle scripts for all packages, use the `--no-scripts` flag.
+
+```bash
+$ bun install --no-scripts
+```