> ## Documentation Index
> Fetch the complete documentation index at: https://ancplua.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# AL0084 - Missing service discovery

> Use service names instead of hardcoded URLs

Source: [Al0084MissingServiceDiscoveryAnalyzer.cs](https://github.com/ANcpLua/ANcpLua.Analyzers/blob/main/src/ANcpLua.Analyzers/Analyzers/Al0084MissingServiceDiscoveryAnalyzer.cs)

## Description

HTTP clients should use service discovery (e.g., `http://order-service`) instead of hardcoded URLs for better resilience in orchestrated environments.

## Bad Code

```csharp theme={null}
builder.Services.AddHttpClient("orders", c =>
    c.BaseAddress = new Uri("https://10.0.1.42:8080"));
```

## Good Code

```csharp theme={null}
builder.Services.AddHttpClient("orders", c =>
    c.BaseAddress = new Uri("https+http://order-service"));
```

## Properties

* **Category**: ASP.NET Core
* **Severity**: Warning
* **Enabled by default**: True
* **Code fix available**: False

## Configuration

```editorconfig theme={null}
dotnet_diagnostic.AL0084.severity = warning
```