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Adding the monolith node_modules dir for deployment

node_modules/gcp-metadata/README.md

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+# gcp-metadata
+> Get the metadata from a Google Cloud Platform environment.
+
+[![NPM Version][npm-image]][npm-url]
+[![codecov][codecov-image]][codecov-url]
+
+```sh
+$ npm install --save gcp-metadata
+```
+```js
+const gcpMetadata = require('gcp-metadata');
+```
+
+#### Check to see if the metadata server is available
+```js
+const isAvailable = await gcpMetadata.isAvailable();
+```
+
+#### Access all metadata
+```js
+const data = await gcpMetadata.instance();
+console.log(data); // ... All metadata properties
+```
+
+#### Access specific properties
+```js
+const data = await gcpMetadata.instance('hostname');
+console.log(data) // ...Instance hostname
+```
+
+#### Access specific properties with query parameters
+```js
+const data = await gcpMetadata.instance({
+  property: 'tags',
+  params: { alt: 'text' }
+});
+console.log(data) // ...Tags as newline-delimited list
+```
+
+#### Access with custom headers
+```js
+await gcpMetadata.instance({
+  headers: { 'no-trace': '1' }
+}); // ...Request is untraced
+```
+
+### Take care with large number valued properties
+
+In some cases number valued properties returned by the Metadata Service may be
+too large to be representable as JavaScript numbers. In such cases we return
+those values as `BigNumber` objects (from the [bignumber.js][] library). Numbers
+that fit within the JavaScript number range will be returned as normal number
+values.
+
+```js
+const id = await gcpMetadata.instance('id');
+console.log(id)  // ... BigNumber { s: 1, e: 18, c: [ 45200, 31799277581759 ] }
+console.log(id.toString()) // ... 4520031799277581759
+```
+
+[bignumber.js]: https://github.com/MikeMcl/bignumber.js
+[codecov-image]: https://codecov.io/gh/googleapis/gcp-metadata/branch/master/graph/badge.svg
+[codecov-url]: https://codecov.io/gh/googleapis/gcp-metadata
+[npm-image]: https://img.shields.io/npm/v/gcp-metadata.svg
+[npm-url]: https://www.npmjs.com/package/gcp-metadata