Fix Headers! Actually, fix the whole CORS policy. And add the image from the hub to the public docker-compose file.

build/docker-compose.public.yml

@@ -1,9 +1,7 @@
 services:
 
   guestbooky-be:
-    build:
-      context: ../
-      dockerfile: build/guestbooky-be/Dockerfile
+    image: cotti/guestbooky-be
     container_name: guestbooky-be
     ports:
       - "8080:8080"

src/Guestbooky/Guestbooky.API/Program.cs

@@ -74,9 +74,10 @@ namespace Guestbooky.API
                 var corsOrigins = builder.Configuration[Constants.CORS_ORIGINS]?.Split(',') ?? Array.Empty<string>();
                 cfg.AddPolicy(name: "local", policy =>
                 {
-                    policy.WithOrigins(corsOrigins);
-                    policy.AllowAnyHeader();
-                    policy.AllowAnyMethod();
+                    policy.WithExposedHeaders("Content-Range", "Accept-Ranges")
+                    .WithOrigins(corsOrigins)
+                    .AllowAnyHeader()
+                    .WithMethods("GET", "POST", "DELETE", "OPTIONS");
                 });
             });