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AI / RenovateBot Interview Questions

How do you configure Renovate to work with private npm registries and other private package sources?

Credentials for private registries are stored in hostRules or environment variables — never directly in renovate.json (which is committed to source control).

// renovate.json — reference private registry (no credentials here!)
{
  "npmrc": "@myorg:registry=https://npm.pkg.github.com",
  "hostRules": [
    {
      "matchHost": "npm.pkg.github.com",
      "hostType": "npm",
      "token": "{{ secrets.GITHUB_TOKEN }}"
    },
    {
      "matchHost": "myartifactory.example.com",
      "hostType": "npm",
      "username": "{{ secrets.ARTIFACTORY_USER }}",
      "password": "{{ secrets.ARTIFACTORY_PASS }}"
    }
  ]
}


# Self-hosted: provide credentials via environment variables
export RENOVATE_TOKEN=ghp_xxx
export NPM_TOKEN=npm_xxx

docker run \
  -e RENOVATE_TOKEN="${RENOVATE_TOKEN}" \
  -e NPM_TOKEN="${NPM_TOKEN}" \
  renovate/renovate:latest \
  --token="${RENOVATE_TOKEN}" myorg/myrepo

Why should authentication credentials never be placed directly in renovate.json?
What is a Renovate hostRule used for?

More Related questions...

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