Using private NPM modules

Get an authentication token using the npm CLI:

$ npm token create --read-only
npm password:
┌────────────────┬──────────────────────────────────────┐
│ token          │ 1a583a54-5515-4058-a3c4-047e5f699d27 │
├────────────────┼──────────────────────────────────────┤
│ cidr_whitelist │                                      │
├────────────────┼──────────────────────────────────────┤
│ readonly       │ true                                 │
├────────────────┼──────────────────────────────────────┤
│ created        │ 2019-01-08T20:53:17.461Z             │
└────────────────┴──────────────────────────────────────┘

Configure an NPM_TOKEN secret in your Appflow environment using the generated token as value:

Check in a .npmrc file in the root of your project directory with the following line:

//registry.npmjs.org/:_authToken=${NPM_TOKEN}