Azure Container Apps
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Azure Container Apps provides a serverless platform for building and deploying containerized microservices applications that automatically scale based on events, with the ability to use any programming language or framework. It integrates with open source tools like KEDA for event-driven autoscaling and Dapr for service invocation and state management to simplify building distributed microservices architectures in the cloud. The document demonstrates how to build a serverless retail application using Azure Container Apps, Cosmos DB, and Service Bus with .NET microservices that scale independently based on events.
Azure Container Apps
- 1. Azure Container Apps with .NET MVP Juan Rafael Solutions Architect @jlc_rve
- 2. Azure Container Apps Generally Available Serverless containers for microservices Build modern apps on open source Focus on apps, not infrastructure Scale dynamically based on events Envoy Kubernetes KEDA Dapr
- 3. What can you build with Azure Container Apps? AUTO-SCALE CRITERIA Scaling is determined by the number of concurrent HTTP requests Scaling is determined by the level of CPU or memory load Individual microservices can scale independently using any KEDA scale triggers Scaling is determined by the number of concurrent HTTP requests Scaling is determined by the number of messages in the queue API endpoints Background processing Microservices Web Apps Event-driven processing E.g., API app with HTTP requests split between two revisions of the app E.g., Continuously running background process transforms data in a database Microservices architecture with the option to integrate with Dapr E.g., Web app with custom domain, TLS certificates, and integrated authentication HTTP TRAFFIC REVISION 2 REVISION 1 80% 20% MICROSERVICE B MICROSERVICE C MICROSERVICE A E.g., Queue reader app that processes messages as they arrive in a queue
- 4. Azure Container Apps Overview — concepts and terminology Container app 1 Revision 1 Revision 2 Replica Replica Container app 2 Revision 1 Revision 2 Replica Replica Environment (virtual network boundary) Replica Replica Container(s) Container(s) Container(s) Container(s) Container(s) Container(s)
- 5. Environments Environments define an isolation and observability boundary around a collection of container apps deployed in the same virtual network Environment (virtual network boundary)
- 6. Container apps Individual apps or microservices Container app 1 Container app 2 Environment (virtual network boundary)
- 7. Revisions Revisions are immutable version snapshots of a container app Container app 1 Revision 1 Revision 2 Container app 2 Revision 1 Revision 2 Environment (virtual network boundary)
- 8. Replicas Instances of a revisions that are created or removed based on scaling rules Container app 1 Revision 1 Revision 2 Replica Replica Container app 2 Revision 1 Revision 2 Replica Replica Environment (virtual network boundary) Replica Replica
- 9. Containers Containers in Azure Container Apps can use any and development stack of your choice Container app 1 Revision 1 Revision 2 Replica Replica Container(s) Container app 2 Revision 1 Revision 2 Replica Replica Container(s) Container(s) Environment (virtual network boundary) Container(s) Container(s) Container(s) Replica Replica
- 10. Ingress Internal or external visibility with TLS termination and support for HTTP/1.1 and HTTP/2. Also supports TCP. Container app 1 Revision 1 Revision 2 Ingress 80% 20% Environment (virtual network boundary) Replica Replica Container(s) Container(s) Container(s) Container(s) Replica Replica
- 11. Demo
- 12. Azure Cosmos DB Azure Cosmos DB Azure Cosmos DB Azure Cosmos DB Azure Service Bus Topic Serverless microservices: Contoso Retail End user Container Apps Environment Order Service Loyalty Service Order UI
- 13. Application autoscaling made simple Open-source, extensible, and vendor agnostic Kubernetes-based Event Driven Autoscaler Drive the scaling of any container based on a growing list of 35+ event sources, known as: scalers keda.sh Intelligently scale your event-driven applications Out-of-the-box scalers for various vendors, databases, messaging systems, telemetry systems, CI/CD, and more Event-driven Built-in scalers Support for triggers across variety of cloud providers & products Bring rich scaling to every workload Vendor-agnostic Rich capabilities Metrics Adapter | Controller | Scaler
- 14. Azure Cosmos DB Azure Cosmos DB Azure Cosmos DB Azure Cosmos DB Azure Service Bus Topic Serverless microservices: Contoso Retail End user Container Apps Environment Order Service Loyalty Service Order UI
- 15. Azure Cosmos DB Azure Cosmos DB Azure Cosmos DB Azure Cosmos DB Azure Service Bus Topic Serverless microservices: Contoso Retail End user Container Apps Environment Order Service Loyalty Service Order UI
- 16. Microservices using any language or framework Any cloud or edge infrastructure Distributed Application Runtime Portable, event-driven, runtime for building distributed applications across cloud and edge dapr.io Microsoft services written in any code or framework HTTP API gRPC API Service-to- service invocation State management Publish and subscribe Resource bindings and triggers Actors Observability Extensible Secrets Hosting infrastructure Azure Arc On-premises
- 17. Azure Cosmos DB Azure Cosmos DB Azure Cosmos DB Azure Cosmos DB Azure Service Bus Topic Serverless microservices: Contoso Retail End user Container Apps Environment Dapr API Order Service Dapr API Loyalty Service Dapr API Order UI
- 18. Demo
- 19. Resources Download .NET 8 aka.ms/get-dotnet-8 Lorem ipsum hyperlink Lorem ipsum hyperlink Lorem ipsum hyperlink