TakeoutSaaS.AdminApi/src/Gateway/TakeoutSaaS.ApiGateway/Program.cs

using Microsoft.AspNetCore.Builder;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;

var builder = WebApplication.CreateBuilder(args);

builder.Services.AddReverseProxy()
    .LoadFromMemory(new()
    {
        Clusters =
        {
            ["admin"] = new()
            {
                Destinations = { ["d1"] = new() { Address = "http://localhost:5001/" } }
            },
            ["mini"] = new()
            {
                Destinations = { ["d1"] = new() { Address = "http://localhost:5002/" } }
            },
            ["user"] = new()
            {
                Destinations = { ["d1"] = new() { Address = "http://localhost:5003/" } }
            }
        },
        Routes =
        {
            new()
            {
                RouteId = "admin-route",
                ClusterId = "admin",
                Match = new() { Path = "/api/admin/{**catch-all}" }
            },
            new()
            {
                RouteId = "mini-route",
                ClusterId = "mini",
                Match = new() { Path = "/api/mini/{**catch-all}" }
            },
            new()
            {
                RouteId = "user-route",
                ClusterId = "user",
                Match = new() { Path = "/api/user/{**catch-all}" }
            }
        }
    });

var app = builder.Build();

app.MapReverseProxy();

app.Run();