# Supercharging .NET Development with GitHub Copilot and Testcontainers

> Source: <https://dev.to/printo_tom/supercharging-net-development-with-github-copilot-and-testcontainers-4ml6>
> Published: 2026-07-09 17:12:50+00:00

**Introduction**

Modern development isn’t just about writing code—it’s about writing **better code, faster**. With AI-assisted tools like **GitHub Copilot** and infrastructure helpers like **Testcontainers**, developers can move from idea to production-ready systems at lightning speed.

**The Problem**

**The Solution: AI + Containers**

By combining **GitHub Copilot** for code generation and **Testcontainers** for integration testing, you can accelerate development while maintaining confidence in your systems.

**Step 1: Let Copilot Draft Your Test**

Copilot can generate the skeleton of your integration test:

```
[Fact]
public async Task ShouldSaveAndRetrieveLead()
{
    // Copilot suggests setup, assertions, and cleanup
}
```

**Step 2: Add Real Dependencies with Testcontainers**

``` js
var sqlContainer = new MsSqlBuilder().Build();
await sqlContainer.StartAsync();

using var conn = new SqlConnection(sqlContainer.GetConnectionString());
await conn.OpenAsync();

// Run schema + insert test data
```

**Step 3: Automate in CI/CD**

**Why This Matters**

**Closing Thought**

AI isn’t replacing developers—it’s augmenting them. By pairing Copilot’s intelligence with Testcontainers’ reliability, you can build faster, test smarter, and ship with confidence.