Add Database Connection to Installer file

.editorconfig

@@ -0,0 +1,4 @@
+[*.cs]
+
+# CS8618: Non-nullable field must contain a non-null value when exiting constructor. Consider declaring as nullable.
+dotnet_diagnostic.CS8618.severity = none

Data/DiaryDBContext.cs

@@ -13,8 +13,7 @@ namespace Diary.Data
 	{
 		public DbSet<Entry> Entries { get; set; }
 
-		public DiaryDBContext(DbContextOptions<DiaryDBContext> options) : base(options)
-		{
+		public DiaryDBContext(DbContextOptions<DiaryDBContext> options) : base(options){
 		}
 
 		protected override void OnModelCreating(ModelBuilder builder)

Diary.sln

@@ -5,6 +5,11 @@ VisualStudioVersion = 17.0.31825.309
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Diary", "Diary.csproj", "{AC078C62-6705-45A9-A00A-7EDDCF770525}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{A852FE41-7660-406A-A6F6-8EDE1F7C1586}"
+	ProjectSection(SolutionItems) = preProject
+		.editorconfig = .editorconfig
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU

Installers/DatabaseInstaller.cs

@@ -0,0 +1,17 @@
+using Diary.Data;
+using Microsoft.EntityFrameworkCore;
+
+namespace Diary.Installers
+{
+	public static class DatabaseInstaller
+	{
+		public static IServiceCollection AddDatabase(this IServiceCollection services, IConfigurationRoot config)
+		{
+			return services.AddDbContext<DiaryDBContext>(opt =>
+			{
+				string connectionString = config.GetConnectionString("Diary");
+				opt.UseSqlServer(connectionString);
+			});
+		}
+	}
+}

Program.cs

@@ -1,31 +1,25 @@
 using Diary.Data;
+using Diary.Installers;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Configuration;
 
 var builder = WebApplication.CreateBuilder(args);
 
 //GetConfigStuff
-IConfigurationRoot? config = new ConfigurationBuilder()
+IConfigurationRoot config = new ConfigurationBuilder()
 								.AddJsonFile("appsettings.json",false)
 								.Build();
 
 
-
-
-
-builder.Services
-	.AddDbContext<DiaryDBContext>(opt =>
-	{
-		string connectionString = config.GetConnectionString("Diary");
-		opt.UseSqlServer(connectionString);
-	});
+builder.Services.AddDatabase(config);
 	
 
 // Add services to the container.
-builder.Services.AddDbContext<DiaryDBContext>();
+
 builder.Services.AddControllers();
 builder.Services.AddScoped<IDiaryDBContext, DiaryDBContext>();
 
+
 // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
 builder.Services.AddEndpointsApiExplorer();
 builder.Services.AddSwaggerGen();