Implement structured logging and enhance middleware with context-aware logging

internal/middleware/requestid.go

@@ -2,16 +2,15 @@ package middleware
 
 import (
 	"context"
-	"log"
 	"net/http"
 
 	"github.com/google/uuid"
 )
 
-// RequestIDKey is the context key for the request ID
+// requestIDKey is the context key for request ID
 type requestIDKey struct{}
 
-// RequestIDHeader is the header key for the request ID
+// RequestIDHeader is the HTTP header for request ID
 const RequestIDHeader = "X-Request-ID"
 
 // RequestID middleware generates a unique ID for each request
@@ -21,30 +20,26 @@ func RequestID() Middleware {
 			// Check if request already has an ID
 			requestID := r.Header.Get(RequestIDHeader)
 			if requestID == "" {
-				// Generate a new UUID if none exists
+				// Generate a new UUID for the request if not present
 				requestID = uuid.New().String()
 			}
 
-			// Add the request ID to the response headers
+			// Add request ID to response headers
 			w.Header().Set(RequestIDHeader, requestID)
 
-			// Store the request ID in the request context
+			// Store request ID in context
 			ctx := context.WithValue(r.Context(), requestIDKey{}, requestID)
 
-			// Log the request with its ID
-			log.Printf("[%s] %s %s", requestID, r.Method, r.URL.Path)
-
-			// Call the next handler with the updated context
+			// Call next handler with updated context
 			next.ServeHTTP(w, r.WithContext(ctx))
 		})
 	}
 }
 
-// GetRequestID retrieves the request ID from the context
+// GetRequestID retrieves the request ID from context
 func GetRequestID(ctx context.Context) string {
-	id, ok := ctx.Value(requestIDKey{}).(string)
-	if !ok {
-		return ""
+	if id, ok := ctx.Value(requestIDKey{}).(string); ok {
+		return id
 	}
-	return id
-}
+	return ""
+}