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Security & identityMermaid

Secrets & key rotation template

Rotating a database password or API key without downtime using dual credentials — a common platform-engineering runbook. This architecture diagram template contains 16 labelled components, branches such as “Yes”, “No”.

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Components in this architecture diagram

  • Rotation scheduled or key leaked
  • Emergency leak?
  • Revoke leaked secret immediately
  • Accept brief outage
  • Generate new secret in vault
  • Add new credential alongside old
  • Update apps to read new version
  • Rolling restart
  • All instances using new secret?
  • Find stragglers via access logs
  • Disable old credential
  • Errors spike?
  • Re-enable old & investigate
  • Delete old credential
  • Audit log entry
  • Next rotation date set

How to use this architecture diagram template

  1. Click Open in the editor. The architecture diagram opens on a new page in FlowDiagram — nothing is uploaded and there is no sign-up.
  2. Rename, add or delete shapes and drag them where you want; connectors stay attached as things move.
  3. Drop in vendor logos from the library — 1,160 of them, including every AWS, Azure and Google Cloud service icon — or restyle it with the colour and theme controls.
  4. Prefer text? Edit the Mermaid source below and paste it in through ☰ → Import diagram (see the Mermaid editor); it imports as an editable diagram.
  5. Export to PNG, SVG or PDF, or press Ctrl+L for a link that carries the whole diagram.

Mermaid source

The whole template is the text below. Paste it into FlowDiagram, keep it in Git next to the code it describes, or hand it to an AI assistant to extend.

flowchart TD
  A((Rotation scheduled or key leaked)) --> B{Emergency leak?}
  B -->|Yes| C[Revoke leaked secret immediately]
  C --> D[Accept brief outage]
  B -->|No| E[Generate new secret in vault]
  D --> E
  E --> F[Add new credential alongside old]
  F --> G[Update apps to read new version]
  G --> H[Rolling restart]
  H --> I{All instances using new secret?}
  I -->|No| J[Find stragglers via access logs]
  J --> G
  I -->|Yes| K[Disable old credential]
  K --> L{Errors spike?}
  L -->|Yes| M[Re-enable old & investigate]
  M --> J
  L -->|No| N[Delete old credential]
  N --> O[(Audit log entry)]
  O --> P((Next rotation date set))

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