added swagger and appdbcontext to startup file

api/Program.cs

@@ -1,17 +1,32 @@
+using Microsoft.EntityFrameworkCore;
+using api.Data;
+using api.Repositories;
+using api.Services;
+
 var builder = WebApplication.CreateBuilder(args);
 
 // Add services to the container.
 
 builder.Services.AddControllers();
 // Learn more about configuring OpenAPI at https://aka.ms/aspnet/openapi
-builder.Services.AddOpenApi();
+// builder.Services.AddOpenApi();
+
+builder.Services.AddDbContext<AppDbContext>(options => options.UseNpgsql(builder.Configuration.GetConnectionString("DefaultConnection")));
+
+
+builder.Services.AddScoped<IPersonRepository, PersonRepository>();
+builder.Services.AddScoped<PersonService, PersonService>();
+
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen();
 
 var app = builder.Build();
 
 // Configure the HTTP request pipeline.
 if (app.Environment.IsDevelopment())
 {
-    app.MapOpenApi();
+    app.UseSwagger();
+    app.UseSwaggerUI();
 }
 
 app.UseHttpsRedirection();