


Using Nginx Proxy Manager to implement reverse proxy load balancing strategy
Use Nginx Proxy Manager to implement reverse proxy load balancing strategy
Nginx Proxy Manager is an Nginx-based proxy management tool that can help us easily implement reverse proxy Proxies and load balancing. By configuring Nginx Proxy Manager, we can distribute requests to multiple backend servers to achieve load balancing and improve system availability and performance.
1. Install and configure Nginx Proxy Manager
- Install Nginx Proxy Manager
First, we need to install Node.js and Nginx Proxy on the server Manager. You can install Node.js through the following command:
curl -sL https://deb.nodesource.com/setup_14.x | sudo -E bash - sudo apt-get install -y nodejs
Then, install Nginx Proxy Manager through the following command:
npm install -g pm2 pm2 install pm2-logrotate pm2 set pm2-logrotate:max_size 100M pm2 set pm2-logrotate:retain 10 git clone https://github.com/jc21/nginx-proxy-manager.git cd nginx-proxy-manager npm install --only=production
- Configure Nginx Proxy Manager
After the installation is complete, we need to perform some configuration. First, open the config.json file with a text editor:
nano config.json
In the file, we can find the following three configuration items:
-
http_port
: Specify The HTTP port used by Nginx Proxy Manager, the default is 80. -
https_port
: Specify the HTTPS port used by Nginx Proxy Manager. The default is 443. -
ssl
: Specify the path to the HTTPS certificate and key. Please place these files in the specified path.
Configure these options according to actual needs and save the file.
- Start Nginx Proxy Manager
To start Nginx Proxy Manager, you only need to run the following command:
pm2 start index.js --name="nginx-proxy-manager"
2. Configure load balancing policy
- Add backend server
In the management interface of Nginx Proxy Manager, select the "Proxy Hosts" tab. Then, click the "Add Proxy Host" button.
In the "General" tab, fill in the relevant information, including the host name, description and domain name of the proxy service.
In the "Upstreams" tab, click the "Add Upstream Server" button. Fill in the IP address and port number of the backend server and click the "Save" button.
- Configure load balancing policy
In the interface for editing Proxy Host, select the "Proxy Rules" tab.
Click the "Add Proxy Rule" button and fill in the reverse proxy rule in the "Rule" field, such as /api
.
In the "Upstream Hosts" field, select the backend server added previously and set the weight. By adjusting the weight value, you can control the proportion of requests distributed to each backend server. The larger the weight value, the greater the probability that the request will be distributed to the server.
Click the "Save" button to save the configuration.
3. Test the load balancing effect
Now, we can test the load balancing effect by sending a request. Access the domain name of Nginx Proxy Manager and use the previously configured proxy service domain name and path for testing. For example, if the domain name of the proxy service is proxy.example.com
and the path is /api
, you can access http://proxy.example.com/api
to test.
According to the configured load balancing policy, requests should be distributed to multiple backend servers.
Summary
Nginx Proxy Manager is a powerful tool that can help us implement reverse proxy and load balancing. By configuring Nginx Proxy Manager, we can easily distribute requests to multiple backend servers to improve system availability and performance.
The above are the detailed steps for using Nginx Proxy Manager to implement the reverse proxy load balancing strategy. I hope that through this article, readers can understand how to use Nginx Proxy Manager to implement reverse proxy and load balancing, and can make relevant configurations according to actual needs.
I cannot provide code examples here, but you can complete the configuration and related code writing according to the above steps and the documentation of Nginx Proxy Manager. I wish you success!
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