Question regarding Azure Container Apps zone redundancy

Piotr Kurylak (Euvic) 20 Reputation points
2023-07-10T12:46:25.29+00:00

I have a question regarding Azure Container Apps zone redundancy. Let's assume that I have enabled zone-redundancy in my Container App environment, I have only 1 container instance, let's say that there is an zone outage where my container app is deployed, does Azure Container Apps will spread automatically that 1 instance of application in another zone or do I have to have configured 2-3 replicas of my application to achieve zone HA?

Azure Container Apps
Azure Container Apps
An Azure service that provides a general-purpose, serverless container platform.
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  1. Pramod Valavala 20,606 Reputation points Microsoft Employee
    2023-07-10T18:54:11.6933333+00:00

    @Piotr Kurylak (Euvic) This is done by the service. Here is a relevant excerpt from the docs.

    By enabling Container Apps' zone redundancy feature, replicas are automatically distributed across the zones in the region. Traffic is load balanced among the replicas. If a zone outage occurs, traffic will automatically be routed to the replicas in the remaining zones.

    But note that you are responsible for running multiple replicas (at-least 2) to have the service distribute them and ensure availability.

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