HTTPS with TLS Example

April 30, 2026 ยท View on GitHub

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This project demonstrates how to set up an HTTPS server with TLS in a Go application using the Fiber framework.

Prerequisites

Ensure you have the following installed:

  • Golang
  • Fiber package
  • TLS certificates (self-signed or from a trusted CA)

Setup

  1. Clone the repository:

    git clone https://github.com/gofiber/recipes.git
cd recipes/https-tls

  2. Install dependencies:

    go get

  3. Generate a self-signed certificate and key:

    mkdir -p certs
openssl req -x509 -nodes -days 365 -newkey rsa:2048 \
  -keyout certs/ssl.key -out certs/ssl.cert \
  -subj "/CN=localhost"

Running the Application

  1. Start the application:

    go run main.go

  2. Access the application at https://localhost:443.

Example

Here is an example of how to set up an HTTPS server with TLS in a Fiber application:

package main

import (
    "crypto/tls"
    "log"

    "github.com/gofiber/fiber/v3"
)

func main() {
    app := fiber.New()

    app.Get("/", func(c fiber.Ctx) error {
        return c.SendString(c.Protocol()) // => https
    })

    // Create tls certificate
    cer, err := tls.LoadX509KeyPair("certs/ssl.cert", "certs/ssl.key")
    if err != nil {
        log.Fatal(err)
    }

    config := &tls.Config{Certificates: []tls.Certificate{cer}}

    // Create custom listener
    ln, err := tls.Listen("tcp", ":443", config)
    if err != nil {
        log.Fatal(err)
    }

    // Start server with https/ssl enabled on http://localhost:443
    log.Fatal(app.Listener(ln))
}

References