Fix possible mutex problem (Create context > Reinsert values for handler)

internal/context/context.go

@@ -42,10 +42,11 @@ func New(cfg *config.Config) *Context {
 
 // Handle gin route with context
 func (ctx *Context) API(handler func(ctx *Context)) func(*gin.Context) {
-	return func(c *gin.Context) {
-		ctx.Context = c
-		handler(ctx)
+	return func(gctx *gin.Context) {
+		context := Context{
+			Context: gctx,
+			Config:  ctx.Config,
+		}
+		handler(&context)
 	}
 }
-
-// Todo: Check if this could cause a problem