Client Integrations Overview

// In your service's Program.cs
builder.AddNpgsqlDataSource("postgresdb");

// In your service class
public class ProductsService
{
    private readonly NpgsqlDataSource _dataSource;

    public ProductsService(NpgsqlDataSource dataSource)
    {
        _dataSource = dataSource;
    }

    public async Task<List<Product>> GetProducts()
    {
        await using var connection = await _dataSource.OpenConnectionAsync();
        // Use the connection...
    }
}

{
  "ConnectionStrings": {
    "mydb": "Host=localhost;Database=mydb"
  }
}

{
  "Aspire": {
    "Npgsql": {
      "DisableHealthChecks": true,
      "DisableTracing": false
    }
  }
}

builder.AddNpgsqlDataSource("mydb", settings => 
{
    settings.DisableHealthChecks = true;
});

// AppHost/Program.cs
var postgres = builder.AddPostgres("pg").AddDatabase("mydb");

var myService = builder.AddProject<Projects.MyService>()
                       .WithReference(postgres);

// MyService/Program.cs
builder.AddNpgsqlDataSource("mydb");