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@varlock/doppler-plugin

Load secrets from Doppler into your Varlock configuration.

Features

  • ✅ Fetch secrets from Doppler projects and configs
  • ✅ Bulk-load secrets with dopplerBulk() via @setValuesBulk
  • ✅ Service token authentication
  • ✅ Efficient caching — single API call shared across all secret lookups
  • ✅ Multiple plugin instances for different projects/configs
  • ✅ Auto-infer secret names from variable names
  • ✅ Helpful error messages with resolution tips

Installation

npm install @varlock/doppler-plugin

Or load it directly from your .env.schema file:

# @plugin(@varlock/doppler-plugin)

Setup

1. Create a Service Token in Doppler

Navigate to your project config in the Doppler dashboard → Access → Service Tokens → Generate a token.

2. Configure your .env.schema

# @plugin(@varlock/doppler-plugin)
# @initDoppler(
#   project=my-project,
#   config=dev,
#   serviceToken=$DOPPLER_TOKEN
# )
# ---

# @type=dopplerServiceToken @sensitive
DOPPLER_TOKEN=

Usage

Basic secret fetching

# Secret name defaults to the config item key
DATABASE_URL=doppler()
API_KEY=doppler()

# Or explicitly specify the secret name
STRIPE_SECRET=doppler("STRIPE_SECRET_KEY")

Multiple instances

# @initDoppler(id=dev, project=my-app, config=dev, serviceToken=$DEV_DOPPLER_TOKEN)
# @initDoppler(id=prod, project=my-app, config=prd, serviceToken=$PROD_DOPPLER_TOKEN)
# ---

DEV_DATABASE=doppler(dev, "DATABASE_URL")
PROD_DATABASE=doppler(prod, "DATABASE_URL")

Bulk loading secrets

# @plugin(@varlock/doppler-plugin)
# @initDoppler(project=my-project, config=dev, serviceToken=$DOPPLER_TOKEN)
# @setValuesBulk(dopplerBulk())
# ---

# @type=dopplerServiceToken @sensitive
DOPPLER_TOKEN=

DATABASE_URL=
API_KEY=
REDIS_URL=

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