How to quickly deploy Golang applications on the server?-Golang-php.cn

How to quickly deploy Golang applications on the server?

How to quickly deploy Golang to the server?

In recent years, Golang (Go for short), as an emerging programming language, has attracted much attention for its efficient, concise and parallel features. For developers, how to quickly deploy Golang applications to the server is an important skill. This article describes how to use common tools and steps to achieve rapid deployment, and provides specific code examples.

1. Preparation work
Before starting, you need to ensure that the following preparation work has been completed:

Install the Golang development environment: Go to the official website (https://golang.org /dl/) Download and install the Golang development environment suitable for your operating system.
Confirm the server environment: Make sure there is a running server and can be accessed through the SSH protocol.
Create a project for deployment: This can be a brand new project, or a project that has been developed locally.

2. Use Git for code management
Code management is an essential task in development. It can ensure the stability and version control of the project. In this article, we will use Git as a code management tool.

Create a new code repository using Git on your local computer:
```
$ git init
```
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Add all the project files to the code repository:
```
$ git add .
```
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Submit the code to the code repository and add relevant comments:
```
$ git commit -m "Initial commit"
```
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Install Git on the server and clone the code repository using the SSH protocol:
```
$ sudo apt install git $ git clone git@example.com:/path/to/repo.git
```
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3. Compile Go application
Before deploying the Go application to the server, you need to compile it first to ensure that the Go runtime environment has been installed on the server.

Execute the following command on the local computer to compile the code:
```
$ go build -o 项目名
```
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Among them,project nameis the name of the compiled executable file.
Upload the compiled program to the server:
```
$ scp 项目名 user@server_ip:目标路径
```
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Among them,useris the user name with server access rights,server_ipis the server IP address,target pathis the path where the server stores the application.

4. Install dependencies
If the project depends on other packages or modules, you need to ensure that these dependencies have been installed on the server.

You can use thego mod vendorcommand to copy the dependency package to the vendor directory of the local project, and then upload the vendor directory together to the server.

On the server, you can use thego mod downloadcommand in the project directory to download dependencies, or use thego mod vendorcommand to load all dependencies from the vendor directory. . The specific commands are as follows:

$ go mod vendor $ go mod verify

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5. Start the application
After compiling and installing dependencies, you can start the application.

Use SSH protocol to log in to the server:
```
$ ssh user@server_ip
```
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Among them,useris the user name with server access rights,server_ipis the server IP address.
Enter the project directory:
```
$ cd 项目目录路径
```
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Start the application:
```
$ nohup ./项目名 &
```
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Among them,project nameIs the name of the previously compiled executable file.

By using thenohupcommand, you can keep the application running in the background and save the output information in the nohup.out file.

Verify whether the application starts successfully:
```
$ ps -ef | grep 项目名
```
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If the output contains a running application process, it means the application has started successfully.

6. Use Nginx as a reverse proxy
In order to provide applications to external users for access, you can use Nginx as a reverse proxy server.

Install Nginx on the server:
```
$ sudo apt install nginx
```
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Edit Nginx configuration file/etc/nginx/sites-available/default:
```
$ sudo nano /etc/nginx/sites-available/default
```
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Add the following to the configuration file:
```
server { listen 80; server_name example.com; location / { proxy_pass http://localhost:应用程序端口号; } }
```
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Replaceexample.comwith your actual domain name or server IP address, ReplaceApplication Port Numberwith the port number your application is listening on.
Reload the Nginx configuration file:
```
$ sudo systemctl reload nginx
```
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In this way, the deployed Go application can be accessed by accessing the server IP address or domain name.

Summary:
Through the above steps, we can quickly deploy the Golang application to the server. During the actual deployment process, adjustments and optimizations can be made according to specific circumstances. I hope this article will be helpful to developers who want to quickly deploy Golang applications.

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