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Nginx
Understand nginx configuration tutorial in seconds and get started developing websites quickly
Understand nginx configuration tutorial in seconds and get started developing websites quickly
Jul 06, 2023 am 11:12 AM
Understand nginx configuration tutorial in seconds and get started developing websites quickly
Recently, more and more developers choose to use nginx as a proxy server for website development. nginx has become the first choice for many people due to its high performance, low resource consumption and flexible configuration. But for novices, configuring nginx may be difficult. This article will take you step by step to understand nginx configuration and quickly get started developing a website through code examples.
1. Install nginx
First, you need to install nginx on your computer or server. The specific steps vary depending on the operating system. Here is Ubuntu Linux as an example:
- Open the terminal and enter the following command to install nginx:
sudo apt-get update sudo apt-get install nginx
- After the installation is completed , enter the following command to start the nginx service:
sudo service nginx start
- Open the browser and enter
http://localhost. If you can see the nginx welcome page, it means nginx Successful installation.
2. Configure nginx
The nginx configuration file is located at /etc/nginx/nginx.conf, we can use any text editor to open it. The following is a basic nginx configuration example:
worker_processes 1;
events {
worker_connections 1024;
}
http {
server {
listen 80;
server_name localhost;
location / {
root /var/www/html;
index index.html;
}
}
}The above configuration:
worker_processesrepresents the number of processes used by nginx, usually set to 2 of the number of CPU cores times.worker_connectionsIndicates the maximum number of connections per process. Thehttpblock is used to configure the HTTP service, which listens to port 80 by default.serverblock is used to configure a virtual host, there can be multiple.listenSpecify the listening port.server_nameSpecify the domain name of the virtual host. Thelocationblock is used to configure how requests are routed and handled.
3. Develop website
- Create a file named
example.comin the/var/www/htmldirectory folder for storing website files. - Create a file named
index.htmlin theexample.comfolder and enter the following content:
<!DOCTYPE html>
<html>
<head>
<title>Welcome to example.com</title>
</head>
<body>
<h1>Hello, world!</h1>
</body>
</html>- Open the terminal and enter the following command to reload the nginx configuration file:
sudo service nginx reload
- Open the browser and enter
http://localhostorhttp: //example.com, you will see the web page you just created.
4. Further configuration
In addition to the basic configuration, nginx also has many powerful modules that can be used. The following are some commonly used configuration examples:
- Static file cache
http {
server {
...
location /static {
root /var/www/html;
expires 7d;
}
}
}The above configuration will /var/www/html/static Static files are cached and are valid for 7 days.
- Reverse proxy
http {
server {
...
location /api {
proxy_pass http://api.example.com;
}
}
}The above configuration will forward requests matching the /api path to http://api.example. com.
- Load Balancing
http {
upstream backend {
server backend1.example.com;
server backend2.example.com;
}
server {
...
location / {
proxy_pass http://backend;
}
}
}The above configuration distributes requests to multiple backend servers defined in backend to achieve load balancing.
5. Summary
Through the introduction of this article, I believe that everyone has a certain understanding of nginx configuration and can quickly start developing websites. Of course, the functions of nginx are far more than this, and there are many advanced features and plug-ins waiting for you to explore. I hope this article is helpful to you, and I wish you develop a first-class website in the world of nginx!
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