What is the purpose of the host.json file in Azure Functions?
- A Defines connection strings
- B Global configuration for the Functions runtime (logging, retry, concurrency, trigger behaviour) (correct answer)
- C Lists installed NuGet packages
- D Contains deployment configuration
Shortcut: , Service Bus maxConcurrentCalls, batch size).
host.json configures the Functions runtime globally: logging levels, retry policies, concurrency settings, and trigger-specific options (e.g., Service Bus maxConcurrentCalls, batch size).