How to deploy linux golang

May 16, 2023 pm 01:01 PM
linux golang

To deploy Golang applications on a Linux system, you first need to know how to install the Golang compiler on your system. If your system does not have the Golang compiler pre-installed, you can install it on your CentOS system as follows:

Step 1 - Download Golang

First, open a terminal window on your Linux system and Enter the following command to download Golang:

wget https://dl.google.com/go/go1.14.4.linux-amd64.tar.gz
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Then, unzip the downloaded archive into the /usr/local directory:

sudo tar -xvf go1.14.4.linux-amd64.tar.gz -C /usr/local
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Step 2 - Configure Golang environment variables

To use the Golang compiler, its path must be added to the system path. Edit the /etc/profile file and add the following line to the end of the file:

export PATH=$PATH:/usr/local/go/bin
export GOPATH=/root/go
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After saving the changes, run the following command for the changes to take effect:

source /etc/profile
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Step 3 - Create Golang Application

The steps for creating a Golang application are similar to those for creating any other application. The primary file extension for Golang applications is .go. In this article, we will create a simple application that will print a "Hello World!" message on the console. Create a new .go file in a directory of your choice, such as main.go, and copy the following code into the file:

package main

import "fmt"

func main() {
    fmt.Println("Hello World!")
}
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The easiest way to run the application is to use the go run command. Open a terminal window, navigate to the application's directory, and run the following command:

go run main.go
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The Golang compiler will compile the code and execute it, which should output "Hello World!" on the console.

Step 4 - Build Golang Application

In most cases, Golang applications should be built using the Golang compiler. To do this, open a terminal window and navigate to the application directory and enter the following command:

go build main.go
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The Golang compiler will build a binary named main using the source code in the main.go file. Running this file requires running the following command in the directory where the file is located:

./main
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