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Aporeon interview preparation

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Deployments & Releases

Infrastructure as code, progressive delivery, release planning, rollback, feature flags, migration safety, recovery, smoke checks, incidents, and production verification.

28 drillsPractice one at a timeOrdered pathConcept questionComparison questionArchitecture scenarioDebugging scenario

Recommended start

Release Notes

Explains release notes and changelog thinking for engineering, QA, support, and product communication.

Easy~5 minStep 1 of 28

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1Release NotesRecommended startExplains release notes and changelog thinking for engineering, QA, support, and product communication.Concept questionEasy~5 min.NETASP.NET CoreGitPractice 2Release TraceabilityExplains how to trace a production deployment back to commit, build, artifact, configuration, and approval.Concept questionMedium~7 min.NETASP.NET CoreGitPractice 3Deploy vs ReleaseExplains the difference between deploying code and releasing functionality to users using feature flags.Comparison questionMedium~7 min.NETASP.NET CoreGitPractice 4Rollback vs Roll-forwardCompares rollback and roll-forward decisions after a failed production deployment.Comparison questionHard~9 min.NETASP.NET CoreGitPractice 5Migration-safe DeploymentExplains how to deploy database changes safely with .NET APIs using backward-compatible steps.Architecture scenarioHard~12 min.NETASP.NET CoreGitPractice 6Failed DeploymentExplains a structured response to a failed production deployment in a .NET application.Debugging scenarioHard~12 min.NETASP.NET CoreGitPractice 7Smoke ChecksBuilds fast, safe deployment smoke checks that verify readiness and one critical business path, then combine their result with live telemetry to promote, pause, or roll back.Concept questionMedium~7 min.NETASP.NET CoreGitPractice 8Environment PromotionExplains promoting artifacts through dev, staging, and production while managing configuration differences safely.Concept questionMedium~7 min.NETASP.NET CoreGitPractice 9Production OwnershipExplains production ownership beyond writing code, including monitoring, alerts, support, and recovery.Concept questionEasy~5 min.NETASP.NET CoreGitPractice 10Logs Metrics AlertsDesigns logs, metrics, traces, dashboards, and alerts around user outcomes, service objectives, dependencies, saturation, privacy, cardinality, and actionable incident response.Concept questionMedium~7 min.NETASP.NET CoreGitPractice 11Bad Release IncidentExplains how to respond to a production incident caused by a bad release.Debugging scenarioHard~12 min.NETASP.NET CoreGitPractice 12Infrastructure as CodeUses declarative infrastructure, reviewed plans, environment parameters, protected deployment identities, state management, and drift control without hiding operational risk.Architecture scenarioMedium~10 minAzureAzure DevOpsGitPractice 13Dependency MonitoringExplains how to monitor external and internal dependencies after a .NET service release.Concept questionMedium~7 min.NETASP.NET CoreGitPractice 14Progressive DeploymentChooses a deployment strategy from capacity, compatibility, risk, observability, and rollback needs, then defines progressive promotion and abort signals.Comparison questionMedium~7 minApplication InsightsAzureAzure DevOpsPractice 15Disaster RecoveryTurns business recovery targets into right-sized backup, restore, standby, failover, validation, ownership, and rehearsal plans.Architecture scenarioHard~12 min.NETApplication InsightsASP.NET CorePractice 16Post-deploy VerificationExplains how to verify a .NET release after deployment using smoke tests, metrics, logs, and business signals.Concept questionMedium~7 min.NETASP.NET CoreGitPractice 17Approval GatesExplains when production approvals are useful and how to avoid turning them into empty bureaucracy.Architecture scenarioMedium~10 min.NETASP.NET CoreGitPractice 18Hotfix FlowHandles an urgent production fix from verified impact and deployed provenance through minimal code, focused validation, controlled rollout, rollback readiness, and merge-forward.Debugging scenarioHard~12 min.NETASP.NET CoreGitPractice 19Configuration DriftExplains how environment configuration drift causes deployment bugs and how to reduce it.Debugging scenarioMedium~10 min.NETASP.NET CoreGitPractice 20Flag CleanupManages feature flags as temporary production controls with ownership, safe defaults, targeted rollout, telemetry, audit, failure behavior, and planned removal.Concept questionMedium~7 min.NETASP.NET CoreGitPractice 21Deployment SlotsExplains staging slots, validation before swap, warm-up, traffic continuity, and safer production releases for App Service APIs.Concept questionEasy~5 min.NETASP.NET CoreAzurePractice 22Slot SettingsCovers configuration that must stay with a slot, such as connection strings, secrets, callback URLs, and staging-only settings.Concept questionMedium~7 minAzureAzure App ServiceAzure Key VaultPractice 23Rollback vs Roll ForwardExplains how to choose rollback, swap-back, hotfix, or roll-forward after a failed Azure App Service deployment.Architecture scenarioMedium~10 minApplication InsightsAzureAzure App ServicePractice 24CI/CD to App ServiceCovers build-once deployment, tests, artifact traceability, slot deployment, smoke checks, approvals, and post-release monitoring.Concept questionMedium~7 min.NETAzureAzure App ServicePractice 25Migrations During DeploymentExplains safe migration strategy for Azure-hosted .NET APIs, including expand-contract changes, locking risk, rollback, and deployment order.Architecture scenarioHard~12 min.NETAzureAzure App ServicePractice 26Feature Flags and DeploymentsExplains deployment versus release, staged enablement, kill switches, cleanup, and App Service slot interaction.Concept questionMedium~7 min.NETAzureAzure App ServicePractice 27Failed App Service DeploymentCovers deployment logs, startup failures, runtime stack, app settings, missing files, Key Vault references, and post-deployment diagnosis.Debugging scenarioMedium~10 min.NETApplication InsightsAzurePractice 28Environment PromotionExplains same-artifact promotion, environment-specific configuration, approvals, smoke testing, drift detection, and production traceability.Concept questionMedium~7 minAzureAzure App ServiceAzure DevOpsPractice

Practice order

28 drillsOne at a time

1Release NotesUp next / Easy / ~5 min
2Release TraceabilityMedium / ~7 min
3Deploy vs ReleaseMedium / ~7 min
4Rollback vs Roll-forwardHard / ~9 min
5Migration-safe DeploymentHard / ~12 min
6Failed DeploymentHard / ~12 min
7Smoke ChecksMedium / ~7 min
8Environment PromotionMedium / ~7 min

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