If you’ve been using Dotenv to manage your environment variables, you’re likely familiar with the classic .env file. You’re also probably familiar with the "Secret Sprawl" headache: sharing keys over Slack, losing track of which developer has which version of a file, and the constant fear of accidentally committing a secret to GitHub.
The .env.vault ecosystem, popularized by tools like Dotenv Vault , provides a way to manage secrets securely across environments by replacing traditional, plain-text .env files with encrypted versions. While .env.vault is the encrypted production file, development-specific variants like .env.local or localized vault configurations manage the secrets you use on your own machine. Core Concepts of Dotenv Vault .env.vault.local