AWS / Intermediate: application service contracts

AWS β€” Intermediate: application service contracts

Connect relational data, functions, routing, events, telemetry, and infrastructure review into an observable delivery system.

6 lessons Β· No account required

What you will learn

  • Choose service modes from application and failure requirements.
  • Review retry, identity, connection, and recovery semantics.
  • Preserve evidence across release and infrastructure changes.

  1. RDS data availability and access

    Choose a managed relational deployment by engine, failover, read scaling, network access, and recovery requirements.

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  2. Lambda invocation and concurrency

    Choose invocation, retry, identity, network, and capacity contracts for event-driven compute without assuming exactly-once business execution.

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  3. Load balancing, DNS, and TLS

    Connect discovery, listener rules, target health, scaling, and application identity into a complete request path.

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  4. Queues, events, and idempotency

    Choose asynchronous boundaries by delivery, acknowledgment, ordering, failure recovery, and business identity requirements.

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  5. Monitoring, audit, and incident evidence

    Connect CloudWatch signals, audit activity, application telemetry, and release context without treating any one dashboard as the complete truth.

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  6. Infrastructure as code and change review

    Use templates, change evidence, ownership, and recovery policy to reason about infrastructure effects without provisioning any resource.

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