Use Program cs style entry point

src/Electricity.Api/Program.cs

@@ -3,69 +3,76 @@ using Electricity.Api;
 using Electricity.Api.Services;
 using Microsoft.EntityFrameworkCore;
 
-var rootCommand = new RootCommand("ElectricityServer is a small REST API to access the electricity log database");
-var connectionStringArgument = new Option<string>(
-    name: "--connection-string",
-    description: "Filepath to the Sqlite3 database file (*.db)");
-rootCommand.AddOption(connectionStringArgument);
-
-var result = rootCommand.Parse(args);
-
-if (result.Errors.Any())
+internal class Program
 {
-    foreach (var error in result.Errors)
+    private static int Main(string[] args)
     {
-        Console.WriteLine(error.Message);
-    }
-    return 1;
-}
+        var rootCommand = new RootCommand("ElectricityServer is a small REST API to access the electricity log database");
+        var connectionStringArgument = new Option<string>(
+            name: "--connection-string",
+            description: "Filepath to the Sqlite3 database file (*.db)");
+        rootCommand.AddOption(connectionStringArgument);
 
-var sqlite3DatabaseFilePath = result.GetValueForOption(connectionStringArgument);
-if (!File.Exists(sqlite3DatabaseFilePath))
-{
-    Console.WriteLine($"Sqlite3 database <{sqlite3DatabaseFilePath}> does not exist or is inaccessible");
-    return 1;
-}
+        var result = rootCommand.Parse(args);
 
-var builder = WebApplication.CreateBuilder(args);
-builder.Services.AddDbContext<DatabaseContext>((DbContextOptionsBuilder builder) =>
-{
-    builder.UseSqlite($"Data Source={sqlite3DatabaseFilePath}");
-});
-
-builder.Services.AddCors(options =>
-{
-    options.AddPolicy(
-        name: "default",
-        policy =>
+        if (result.Errors.Any())
         {
-            policy.WithOrigins("http://localhost:8080");
+            foreach (var error in result.Errors)
+            {
+                Console.WriteLine(error.Message);
+            }
+            return 1;
+        }
+
+        var sqlite3DatabaseFilePath = result.GetValueForOption(connectionStringArgument);
+        if (!File.Exists(sqlite3DatabaseFilePath))
+        {
+            Console.WriteLine($"Sqlite3 database <{sqlite3DatabaseFilePath}> does not exist or is inaccessible");
+            return 1;
+        }
+
+        var builder = WebApplication.CreateBuilder(args);
+        builder.Services.AddDbContext<DatabaseContext>((builder) =>
+        {
+            builder.UseSqlite($"Data Source={sqlite3DatabaseFilePath}");
         });
-});
 
-builder.Services.AddControllers()
-    .AddJsonOptions(config =>
-    {
-        config.JsonSerializerOptions.PropertyNamingPolicy = System.Text.Json.JsonNamingPolicy.CamelCase;
-        config.JsonSerializerOptions.WriteIndented = true;
-    });
-builder.Services.AddSwaggerGen();
-builder.Services.AddScoped<ElectricityService>();
+        builder.Services.AddCors(options =>
+        {
+            options.AddPolicy(
+                name: "default",
+                policy =>
+                {
+                    policy.WithOrigins("http://localhost:8080");
+                });
+        });
 
-var app = builder.Build();
 
-if (app.Environment.IsDevelopment())
-{
-    app.UseHttpsRedirection();
-    app.UseSwagger();
-    app.UseSwaggerUI();
-    app.UseCors("default");
-}
+        builder.Services.AddControllers()
+            .AddJsonOptions(config =>
+            {
+                config.JsonSerializerOptions.PropertyNamingPolicy = System.Text.Json.JsonNamingPolicy.CamelCase;
+                config.JsonSerializerOptions.WriteIndented = true;
+            });
+        builder.Services.AddSwaggerGen();
+        builder.Services.AddScoped<ElectricityService>();
+
+        var app = builder.Build();
+
+        if (app.Environment.IsDevelopment())
+        {
+            app.UseHttpsRedirection();
+            app.UseSwagger();
+            app.UseSwaggerUI();
+            app.UseCors("default");
+        }
 
 app.UseAuthorization();
 
-app.MapControllers();
+        app.MapControllers();
 
-app.Run();
+        app.Run();
 
-return 0;
+        return 0;
+    }
+}