dagger/docs/core-concepts/1204-secrets.md

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How to use secrets

Most operations in client support handling secrets (see Interacting with the client). More specifically, you can:

• Write a secret to a file;
• Read a secret from a file;
• Read a secret from an environment variable;
• Read a secret from the output of a command;
• Use a secret as the input of a command.

Environment

The simplest use case is reading from an environment variable:

dagger.#Plan & {
    client: env: GITHUB_TOKEN: dagger.#Secret
}

File

You may need to trim the whitespace, especially when reading from a file:

SOPS

There’s many ways to store encrypted secrets in your git repository. If you use SOPS, here's a simple example where you can access keys from an encrypted yaml file:

myToken: ENC[AES256_GCM,data:AlUz7g==,iv:lq3mHi4GDLfAssqhPcuUIHMm5eVzJ/EpM+q7RHGCROU=,tag:dzbT5dEGhMnHbiRTu4bHdg==,type:str]
sops:
    ...