Method 1: Upload images to the local server’s hard drive, then use the local image/file server to handle image access. The rule for this approach requires each server to have an additional subdomain pointing to the local image server. When saving images, you need to store the image server’s subdomain along with the image name and path in the database. This is too rigid, making it difficult to expand and maintain.
Method 2: Use a disk array for unified management, storing all uploaded images and files on the disk array. You only need to configure a single subdomain for the image server. This facilitates expansion and maintenance while reducing the load and access pressure on the current web server.
Method 3: Image server clustering. First, save all uploaded images to different folders on the disk array. Then, set up multiple image servers and assign them different subdomains. Use these different subdomains to access different image servers, which in turn access different folders on the disk array. This distributes the load and pressure of a single image server.