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

Controllers/BlogController.cs

@@ -0,0 +1,39 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using SkyArtShop.Models;
+using SkyArtShop.Services;
+
+namespace SkyArtShop.Controllers;
+
+public class BlogController : Controller
+{
+	private readonly PostgreSQLService _pgService;
+
+	private readonly string _blogCollection = "BlogPosts";
+
+	public BlogController(PostgreSQLService pgService)
+	{
+		_pgService = pgService;
+	}
+
+	public async Task<IActionResult> Index()
+	{
+		List<BlogPost> model = (from p in await _pgService.GetAllAsync<BlogPost>(_blogCollection)
+			where p.IsPublished
+			orderby p.PublishedDate descending
+			select p).ToList();
+		return View(model);
+	}
+
+	public async Task<IActionResult> Post(string slug)
+	{
+		BlogPost blogPost = (await _pgService.GetAllAsync<BlogPost>(_blogCollection)).FirstOrDefault((BlogPost p) => p.Slug == slug && p.IsPublished);
+		if (blogPost == null)
+		{
+			return NotFound();
+		}
+		return View(blogPost);
+	}
+}