Add WithOtlpExporter() to infrastructure resources in Boilerplate AppHost

[yasmoradi]

Problem

Infrastructure resources in Boilerplate.Server.AppHost/Program.cs (Redis, databases, Minio, Keycloak) do not export OpenTelemetry traces/metrics to the Aspire dashboard. Without .WithOtlpExporter(), observability data from these containers is not visible alongside the application telemetry in the dashboard.

Solution

Add .WithOtlpExporter() to each infrastructure resource:

• redis-cache and redis-persistent
• sqlserver (SqlServer)
• postgresserver (PostgreSQL)
• mysqlserver (MySQL)
• s3 (Minio)
• keycloak

Files to change

• src/Templates/Boilerplate/Bit.Boilerplate/src/Server/Boilerplate.Server.AppHost/Program.cs