Azure Hosting & Cloud Operations Essentials

Azure hosting choices, App Service boundaries and configuration, managed identity, Key Vault, stateless scale-out, health and capacity, environment promotion, deployment slots, background work, Azure SQL resilience, and failed-release diagnosis.

15 drillsPractice one at a timeOrdered pathComparison questionConcept questionArchitecture scenarioDebugging scenario

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App Service vs AKS vs Functions

Compares Azure hosting choices for a .NET API using operational complexity, scaling model, deployment ownership, and workload shape.

Easy~5 minStep 1 of 15

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1App Service vs AKS vs FunctionsRecommended startCompares Azure hosting choices for a .NET API using operational complexity, scaling model, deployment ownership, and workload shape.Comparison questionEasy~5 min.NETASP.NET CoreAzurePractice 2Domain, TLS, BoundaryCovers custom domains, TLS, HTTPS, allowed hosts, CORS boundaries, and production-facing endpoint hygiene for App Service APIs.Concept questionEasy~5 minASP.NET CoreAzureAzure App ServicePractice 3App Service ConfigurationCovers App Service app settings, environment-specific configuration, restarts, slot settings, and avoiding hard-coded production values.Concept questionEasy~5 min.NETASP.NET CoreAzurePractice 4Managed Identity to Azure SQLCovers using managed identity and Microsoft Entra authentication for Azure SQL access from a .NET API.Concept questionMedium~7 min.NETAzureAzure App ServicePractice 5Key Vault ReferencesExplains how App Service can resolve Key Vault references through managed identity and what to watch during rotation and environment setup.Concept questionMedium~7 min.NETAzureAzure App ServicePractice 6Stateless App Service DesignExplains local filesystem limits, multiple instances, in-memory state, distributed cache, durable storage, and scale-out-safe API design.Concept questionMedium~7 min.NETASP.NET CoreAzurePractice 7App Service Health ChecksExplains health endpoints, readiness versus liveness, warm-up, dependency checks, and safe App Service health behavior.Concept questionMedium~7 minApplication InsightsASP.NET CoreAzurePractice 8App Service Plan ScalingExplains how App Service plans provide compute capacity, how scale-out affects app instances, and why APIs need stateless design.Concept questionMedium~7 min.NETASP.NET CoreAzurePractice 9Environment PromotionExplains same-artifact promotion, environment-specific configuration, approvals, smoke testing, drift detection, and production traceability.Concept questionMedium~7 minAzureAzure App ServiceAzure DevOpsPractice 10Deployment 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 11Slot 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 12WebJobs vs FunctionsCompares App Service WebJobs and Azure Functions for queue processing, scheduled tasks, scaling, deployment ownership, and operational isolation.Comparison questionMedium~7 min.NETAzureAzure App ServicePractice 13Queue-Based Background WorkCovers queue-backed work, idempotency, retries, visibility timeout, poison messages, progress tracking, and choosing Storage Queues or Service Bus.Architecture scenarioHard~12 min.NETASP.NET CoreAzurePractice 14Azure SQL Transient FaultsExplains transient database errors, retry strategy, EF Core execution strategy, idempotency, timeouts, and avoiding retry storms.Debugging scenarioMedium~10 min.NETASP.NET CoreAzurePractice 15Failed 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