flowchart LR
  C[External clients] -->|HTTPS| R[Cloud Run service]
  R --> F[(Firestore)]
  R --> S[(Cloud Storage)]
  R --> P[Pub/Sub topic]
  P --> W[Worker subscriber]
  P --> DLQ[Dead-letter topic]
  R --> L[Cloud Logging]
  R --> M[Cloud Monitoring]
  AR[Artifact Registry] --> R
  R -. private egress .-> VPC[VPC / Serverless VPC Access]