create a vapor http server in swift

To create a Vapor HTTP server in Swift, follow these steps:

1. Install Vapor by running the following command in Terminal:

brew install vapor
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2. Create a new Vapor project by running the following command in Terminal:

vapor new MyServer
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3. Change directory into your project folder:

cd MyServer
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4. Open the project in Xcode:

open Package.swift
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5. In your Package.swift file, add the Vapor dependency to your project:

main.swift
// swift-tools-version:5.2
import PackageDescription
let package = Package(
    name: "MyServer",
    dependencies: [
        .package(url: "https://github.com/vapor/vapor.git", from: "4.0.0")
    ],
    targets: [
        .target(name: "MyServer", dependencies: [
            .product(name: "Vapor", package: "vapor")
        ])
    ]
)
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6. Run the following command in Terminal to regenerate your project using the updated Package.swift file:

vapor update
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7. In your Xcode project, open the Sources/App/main.swift file. This is where you will write your Swift code to create the HTTP server.

8. In the main.swift file, add the following code to create a new Vapor.Application object:

main.swift
import Vapor
let app = Application()
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9. Add a new HTTP GET route to your server that returns a response to the client:

main.swift
app.get { req in
    return "Hello, world!"
}
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10. Start your server by calling the app.run() method:

main.swift
app.run()
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11. Run your server by pressing the play button in Xcode or by running the following command in Terminal:

vapor run
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Congratulations, you've created a Vapor HTTP server in Swift!