How to deploy Node.js site on Tencent Cloud

With the continuous development of Internet technology, the demand for various websites and applications is also getting higher and higher. As a developer, we need to constantly learn new skills and tools to better meet market needs.

Node.js, as a popular back-end technology, has been widely adopted by more and more developers. As the leading cloud computing service provider in China, Tencent Cloud provides a wealth of cloud computing products and services to meet the various needs of developers.

This article will introduce how to deploy Node.js site on Tencent Cloud to better build our application.

Step one: Register a Tencent Cloud account

First, we need to register a Tencent Cloud account. During the registration process, you need to fill in personal information and business information (if you are using a business account). After successful registration, real-name authentication is required.

Step 2: Purchase a cloud server

After successful registration and real-name authentication, we need to purchase a cloud server. Tencent Cloud provides a variety of cloud server types and configurations, which can be selected according to needs.

When purchasing, you need to select the Linux operating system. Select the "Node.js" template among the application templates to automatically install the Node.js environment and some necessary tools.

After the purchase is successful, we need to write down the IP address and login password of the cloud server for subsequent operations.

Step 3: Connect to the cloud server

There are many ways to connect to the cloud server, such as using an SSH client to connect, or using a remote desktop connection.

Using an SSH client to connect is a common method. Under Windows systems, you can use SSH clients such as PuTTY to connect to the IP address of the cloud server.

When connecting, you need to enter your login account and password. If this is the first time you connect, you can follow the prompts to set the initial password.

Step 4: Install and configure Node.js

Installing Node.js is very simple under Linux system. Open a terminal window and enter the following command:

sudo apt-get update
sudo apt-get install nodejs

After completion, you can enter the following command to verify whether the installation is successful:

node -v

If the output is similar to the version number of "v14.16.1", the installation has been completed success.

Next, you need to install the Node.js package manager npm:

sudo apt-get install npm

After completion, you can enter the following command to verify whether the installation is successful:

npm -v

If the output is similar to " 6.14.12" version number, indicating that the installation has been successful.

Finally, we also need to install the PM2 tool for managing the Node.js process:

sudo npm install pm2 -g

After installation, you can use the following command to start the Node.js application:

pm2 start app.js

Among them, app.js is our Node.js main file.

Step 5: Configure the HTTP server

In order for users to access our application through the HTTP protocol, we need to configure the HTTP server. Here we can use nginx.

First, nginx needs to be installed:

sudo apt-get install nginx

After installation, we need to do some configuration to make nginx proxy to our Node.js application.

Enter the nginx configuration file directory:

cd /etc/nginx/sites-available

Create a new configuration file:

sudo nano myapp

Enter the following content in it:

server {
    listen 80;
    server_name example.com;

    location / {
        proxy_pass http://localhost:3000;
        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;
    }
}

Among them, example. com is your domain name or IP address.

Save and exit the configuration file.

Next, create the symbolic link:

sudo ln -s /etc/nginx/sites-available/myapp /etc/nginx/sites-enabled/

After completion, reload the nginx configuration file:

sudo service nginx reload

Now, our HTTP server has been successfully configured and will incoming Requests are proxied to our Node.js application.

Step 6: Launch the application

Now, we can launch our application online. Can be deployed using version control tools such as Git.

A common process for deploying using Git is:

git clone https://github.com/your-repo.git
cd your-repo
npm install
pm2 start app.js --name "your-app-name"

where your-app-name is your application name.

At this point, our Node.js site has been successfully deployed on Tencent Cloud and can be accessed through the HTTP protocol. Of course, we can further optimize the deployment process, such as using HTTPS protocol, configuring domain name resolution, etc.

In short, through Tencent Cloud's services, we can more easily deploy Node.js sites and provide better services and user experience for our applications.

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