Arcane 2.10.0 adds post-quantum ML-DSA-87 signatures.
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Swarm Configs and Secrets

Manage Docker Swarm configs and secrets in Arcane.

Swarm configs and secrets pass runtime data to services and stacks without including it in your images.

Configs vs. secrets

Use a config for Use a secret for
application config files API tokens
feature flags passwords
non-sensitive env defaults private keys
registry credentials

If a value is sensitive, use a secret. Otherwise a config is fine.

Create a config

  1. Open Swarm → Configs.
  2. Enter a name.
  3. Enter the config content.
  4. Click Create Config.

Delete configs from the same page when they’re no longer used.

Create a secret

  1. Open Swarm → Secrets.
  2. Enter a name.
  3. Enter the secret value.
  4. Click Create Secret.

Delete secrets from the same page when they’re no longer used.

Change a config or secret

Docker doesn’t allow editing configs or secrets, and Arcane has no update action. To change one, create a replacement and update the workload that uses it.

Join tokens and the manager unlock key are not Swarm secrets. They’re cluster credentials, managed on the Cluster page.