InitMeterProvider initializes and returns an OpenTelemetry MeterProvider based on the provided configuration.

initializeTracerProvider initializes and configures a tracer provider based on the observability mode from the configuration.

NewZeroLog: Creates a new logger with tracing information extracted from the provided context.

NewZeroLogHook: Creates a new logger with a zerolog hook for tracing.

Console mode, possibly for debugging.

gRPC mode for OTLP communication.

HTTP mode for OTLP communication.

Logger: A utility structure containing both a standard Go logger and a zerolog logger.

TracingHook: Custom hook for zerolog that extracts tracing information from the context and adds it to the log entry.