Azure App Service Slots: Keep Settings Where They Belong During Swap
Mark app settings as slot settings before swapping Azure App Service deployment slots, or your connection strings may move with the code.
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Diagnosing HTTP 503 and 504 Errors in Azure App Service
Learn how to identify the root cause of intermittent 503 and constant 504 errors in Azure App Service, run diagnostic checks, apply fixes, and know when to escalate.
Autoscale Azure App Service Based on Custom Latency Metrics from Application Insights
Learn how to drive Azure App Service autoscale with a custom Application Insights latency metric, including a ready‑to‑use JSON template, CLI steps, and verification tips.
Troubleshooting Azure Front Door 502 Bad Gateway Errors Caused by App Service Instance Replacement
Learn how to diagnose and fix Azure Front Door 502 Bad Gateway errors caused by App Service instance replacement during maintenance, with verification steps and Well‑Architected alignment.
Azure App Service Health Check: design an endpoint that detects real failure
Build a useful Azure App Service health endpoint with bounded dependency checks, appropriate authentication and evidence from each running instance.
Azure App Service deployment slots: ship a release with a verifiable swap
Prepare Azure App Service slots, separate environment settings, warm up the candidate release, and verify the application before and after a swap.
Configure your App Service or Azure Functions app to use Google authentication
Microsoft Entra Facebook Google GitHub X OpenID Connect provider Sign in with Apple (preview) This article shows you how to configure Azure App Service or Azure Functions to use Google as an authentication provider. To complete the procedure, you must have a Google account that has a verified email
Configure TLS mutual authentication in Azure App Service
Important As of July 28, 2025, changes to App Service Managed Certificates (ASMC) impact how certificates are issued and renewed in certain scenarios. While most customers don’t need to take action, we recommend reviewing our ASMC detailed blog post for more information. You can restrict access to y
Secure OpenAPI tool calls from Foundry Agent Service
Foundry Agent Service can call an App Service OpenAPI endpoint anonymously or with managed identity. Use managed identity when App Service authentication protects the endpoint. This scenario contains two independent managed identity directions: When App Service calls Foundry, the caller is the App S