Apply 4 suggestion(s) to 3 file(s)

README.md

@@ -12,9 +12,9 @@ flowchart LR
 ### API Documentation
 
 The API Documentation is accessible at `/swagger-ui` path in OAS 3.0 format.
-Example: `localhost:8080/swagger-ui`
+Example: `http://localhost:8080/swagger-ui`
 
-### Prerequisites
+### Dependencies
 
 There must be a running instance of [Redis](https://redis.io/) visible to the service.
 The address, username and password of the Redis in-memory store instance must be provided as environment variables.

design/design.go

@@ -64,7 +64,7 @@ var _ = Service("cache", func() {
 	})
 
 	Method("Set", func() {
-		Description("Set value in the cache. The HTTP request body is stored as value and the key is assembled from HTTP request headers.")
+		Description("Set a JSON value in the cache.")
 
 		Payload(CacheSetRequest)
 		Result(Empty)

internal/service/cache/service.go

@@ -53,7 +53,7 @@ func (s *Service) Get(ctx context.Context, req *cache.CacheGetRequest) ([]byte,
 func (s *Service) Set(ctx context.Context, req *cache.CacheSetRequest) error {
 	var operation = zap.String("operation", "set")
 
-	if req.Key == "" || req.Namespace == "" || req.Scope == "" || len(req.Data.(map[string]interface{})) == 0 {
+	if req.Key == "" || req.Namespace == "" || req.Scope == "" {
 		s.logger.Error("bad request: missing key or namespace or scope or data", operation)
 		return errors.New(errors.BadRequest, "bad request")
 	}