Fix admin route access and backend configuration

- Added /admin redirect to login page in nginx config
- Fixed backend server.js route ordering for proper admin handling
- Updated authentication middleware and routes
- Added user management routes
- Configured PostgreSQL integration
- Updated environment configuration

Sky_Art_shop/Controllers/BlogController.cs

@@ -0,0 +1,41 @@
+using Microsoft.AspNetCore.Mvc;
+using SkyArtShop.Models;
+using SkyArtShop.Services;
+
+namespace SkyArtShop.Controllers
+{
+    public class BlogController : Controller
+    {
+        private readonly MongoDBService _mongoService;
+        private readonly string _blogCollection = "BlogPosts";
+
+        public BlogController(MongoDBService mongoService)
+        {
+            _mongoService = mongoService;
+        }
+
+        public async Task<IActionResult> Index()
+        {
+            var posts = await _mongoService.GetAllAsync<BlogPost>(_blogCollection);
+            var publishedPosts = posts
+                .Where(p => p.IsPublished)
+                .OrderByDescending(p => p.PublishedDate)
+                .ToList();
+            
+            return View(publishedPosts);
+        }
+
+        public async Task<IActionResult> Post(string slug)
+        {
+            var posts = await _mongoService.GetAllAsync<BlogPost>(_blogCollection);
+            var post = posts.FirstOrDefault(p => p.Slug == slug && p.IsPublished);
+            
+            if (post == null)
+            {
+                return NotFound();
+            }
+
+            return View(post);
+        }
+    }
+}