Browser

CDN / WAF / Bot Mgmt

App / API (Blue | Green)

Cache (Redis)

DB Primary (PostgreSQL) KMS, private SG

DB Replica (Read-only)

Object Storage (S3) Presigned URLs + AV + KMS

MQ / Workers DLQ, retries

Observability APM, logs, metrics, RUM

Auth (OIDC)

Payments Gateway (Hosted)

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