How to Deploy Go Web Application on Ubuntu • Linux & Open Source

Go, also known as Golang, is an open-source programming language developed by Google. Go is designed for efficiency, ease of use, and scalability. It is very popular for building web applications, microservices, and cloud-based applications. In this guide, we will discuss how to deploy a simple Go web application on Ubuntu using Nginx as a reverse proxy and Systemd to manage the application service.

Install Go

Update and install Go:

sudo apt update wget sudo tar -C /usr/local -xzf go1.23.3.linux-amd64.tar.gz echo ‘export PATH=$PATH:/usr/local/go/bin’ >> ~/.profile source ~/.profile

sudoaptupdate

wgethttps://go.dev/dl/go1.23.3.linux-amd64.tar.gz

sudotar–C/usr/local–xzfgo1.23.3.linux–amd64.tar.gz

echo‘export PATH=$PATH:/usr/local/go/bin’>>~/.profile

source~/.profile

Verifying Go installation by displaying the version number:

The response to the command:

go version go1.23.3 linux/amd64

goversiongo1.23.3linux/amd64

Creating a Go App

Create a directory for the application project with the name goweb:

mkdir ~/goweb && cd ~/goweb

mkdir~/goweb&&cd~/goweb

Creating the main.go file:

The contents of the file main.go:

package main import ( “fmt” “net/http” ) func handler(w http.ResponseWriter, r *http.Request) { fmt.Fprintf(w, “Hello, World!”) } func main() { http.HandleFunc(“/”, handler) http.ListenAndServe(“:8080”, nil) }

packagemain

�

import(

�“fmt”

�“net/http”

)

�

funchandler(whttp.ResponseWriter,r *http.Request){

�fmt.Fprintf(w,“Hello, World!”)

}

�

funcmain(){

�http.HandleFunc(“/”,handler)

�http.ListenAndServe(“:8080”,nil)

}

Compile the application:

Creating a Service

Create a systemd service file:

sudo nano /etc/systemd/system/goweb.service

sudonano/etc/systemd/system/goweb.service

File contents:

[Unit] Description=Go Web App After=network.target [Service] ExecStart=/home/youruser/goweb/app Restart=always User=youruser Group=youruser Environment=PORT=8080 [Install] WantedBy=multi-user.target

[Unit]

Description=GoWebApp

After=network.target

�

[Service]

ExecStart=/home/youruser/goweb/app

Restart=always

User=youruser

Group=youruser

Environment=PORT=8080

�

[Install]

WantedBy=multi–user.target

Enable the service:

sudo systemctl daemon-reload sudo systemctl enable goweb sudo systemctl start goweb sudo systemctl status goweb

sudosystemctldaemon–reload

sudosystemctlenablegoweb

sudosystemctlstartgoweb

sudosystemctlstatusgoweb

Nginx Configuration

Install Nginx:

sudo apt install nginx -y

sudoaptinstallnginx–y

Create the Nginx configuration file:

sudo nano /etc/nginx/conf.d/goweb.conf

sudonano/etc/nginx/conf.d/goweb.conf

File contents:

server { listen 80; server_name yourdomain.com; location / { proxy_pass proxy_http_version 1.1; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection ‘upgrade’; proxy_set_header Host $host; proxy_cache_bypass $http_upgrade; } }

server{

�listen80;

�server_nameyourdomain.com;

�

�location/{

�proxy_passhttp://localhost:8080;

�proxy_http_version1.1;

�proxy_set_headerUpgrade$http_upgrade;

�proxy_set_headerConnection‘upgrade’;

�proxy_set_headerHost$host;

�proxy_cache_bypass$http_upgrade;

�}

}

Restart Nginx:

sudo systemctl restart nginx

sudosystemctlrestartnginx

Test the Application

Open your browser and visit the address:

The result is the text “Hello, World!”.

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How to Deploy Go Web Application on Ubuntu • Linux & Open Source

Install Go

Creating a Go App

Creating a Service

Nginx Configuration

Test the Application

Leave a Reply Cancel reply

Caleg 2024

Install Go

Creating a Go App

Creating a Service

Nginx Configuration

Test the Application

Leave a Reply Cancel reply

Caleg 2024

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