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45 lines
4.0 KiB
Markdown
45 lines
4.0 KiB
Markdown
---
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id: uplinks
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title: "Uplinks"
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---
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An *uplink* is a link with an external registry that provides acccess to external packages.
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### Usage
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```yaml
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uplinks:
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npmjs:
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url: https://registry.npmjs.org/
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server2:
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url: http://mirror.local.net/
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timeout: 100ms
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server3:
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url: http://mirror2.local.net:9000/
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baduplink:
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url: http://localhost:55666/
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```
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### Configuration
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You can define mutiple uplinks and each of them must have an unique name (key). They can have two properties:
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| Property | Type | Required | Example | Support | Description | Default |
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| ------------ | ------- | -------- | ----------------------------------------------------------------------------------- | ------- | ------------------------------------------------------------------------------------------------------------------ | ---------- |
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| url | string | Yes | https://registry.npmjs.org/ | all | The registry url | npmjs |
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| ca | string | No | ~./ssl/client.crt' | all | SSL path certificate | No default |
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| timeout | string | No | 100ms | all | set new timeout for the request | 30s |
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| maxage | string | No | 10m | all | limit maximun failure request | 2m |
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| fail_timeout | string | No | 10m | all | defines max time when a request becomes a failure | 5m |
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| max_fails | number | No | 2 | all | limit maximun failure request | 2 |
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| cache | boolean | No | [true,false] | >= 2.1 | avoid cache tarballs | true |
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| auth | list | No | type: [bearer,basic], [token: "token",token_env: [true,\<get name process.env\>]] | >= 2.5 | assigns the header 'Authorization' see: http://blog.npmjs.org/post/118393368555/deploying-with-npm-private-modules | disabled |
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| headers | list | No | authorization: "Basic YourBase64EncodedCredentials==" | all | list of custom headers for the uplink | disabled |
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### You Must know
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* Uplinks must be registries compatible with the `npm` endpoints. Eg: *verdaccio*, `sinopia@1.4.0`, *npmjs registry*, *yarn registry*, *JFrog*, *Nexus* and more.
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* Setting `cache` to false will help to save space in your hard drive. This will avoid store `tarballs` but [it will keep metadata in folders](https://github.com/verdaccio/verdaccio/issues/391).
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* Exceed with multiple uplinks might slow down the lookup of your packages due for each request a npm client does, verdaccio does 1 call for each uplink.
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* The (timeout, maxage and fail_timeout) format follow the [NGINX measurement units](http://nginx.org/en/docs/syntax.html) |