Can I upload a pre-built .dll?

Yes. Square accepts .dll , .csproj , or .sln . Uploading .dll skips restore — useful in production for fast builds.

Does .NET 10 AOT work?

Yes. Ahead-of-Time compilation is supported — apps start faster and use less memory. Configure it in your .csproj .

Can I use F# or VB.NET?

Yes. The full .NET 10 ecosystem is available — C#, F#, and VB.NET with any NuGet package.

Do ASP.NET Core, gRPC, and SignalR work?

Yes. Minimal APIs, MVC, gRPC, and SignalR are fully supported. Configure the bind port in Program.cs using $PORT .

.NET 10 cross-platform in the cloud

ASP.NET Core, Minimal APIs, bots, and Blazor — production without Windows Server. AOT compilation included.

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Why run on Square Cloud

Everything optimized, production-ready.

.NET 10 with AOT

Latest version with Ahead-of-Time compilation and lean runtime.

Automatic NuGet

Auto restore + run — upload csproj, sln, or pre-built .dll.

C#, F#, and VB.NET

Full .NET 10 ecosystem available.

Tunable GC

Configure flags via START= for ASP.NET Core, gRPC, SignalR.

Ideal use cases

Where this runtime shines on our platform.

ASP.NET Core APIs and Minimal APIs

Modern backends with Entity Framework, Identity, and typed validation at production scale.

Discord bots with DSharpPlus and Discord.Net

24/7 .NET bot hosting with slash commands, sharding, and modern interactions.

gRPC microservices and messaging

Typed inter-service communication with Protobuf, MassTransit, RabbitMQ, and Azure Service Bus.

IHostedService workers and background jobs

Native background processing with Hangfire, Quartz, and continuous workers without external dependencies.

Authoritative Unity game backends

Authoritative servers for multiplayer games with Mirror, FishNet, and Unity Netcode in production.

SignalR APIs and Blazor Server

Real-time communication with WebSockets, typed hubs, and server-side UI with Blazor.

Available versions

Pick the track that best fits your project.

Current version

Single stable toolchain

Technical specs

Everything you need to configure your app.

Accepted extensions: .cs.csproj.sln.dll
Dependency file: Not required
RUNTIME= aliases: dotnetcsharpc#

Minimal config

Create a squarecloud.app file at your project root:

squarecloud.app.NET

MEMORY=512
DISPLAY_NAME=Meu App
VERSION=recommended
MAIN=app.dll

Frequently asked questions about .NET Hosting

.NET 10, NuGet, AOT, and ASP.NET Core.

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