docker image that supports both WebSockets and SSL protocols

One possible Docker image that supports both WebSockets and SSL protocols is the Nginx Docker image.

Nginx is a popular open-source web server that can also act as a reverse proxy, load balancer, and HTTP cache. It supports both SSL and WebSockets out of the box, making it a good choice for hosting web applications that require these protocols.

To run the Nginx Docker image with SSL and WebSockets enabled, you can use the following command:

docker run -p 80:80 -p 443:443 -p 8080:8080 -p 8443:8443 -v /path/to/nginx.conf:/etc/nginx/nginx.conf nginx

This command maps the container's ports 80, 443, 8080, and 8443 to the host machine, and mounts a custom Nginx configuration file at /etc/nginx/nginx.conf.

The configuration file should include the necessary settings to enable SSL and WebSockets, for example:

server {
    listen 443 ssl;
    server_name example.com;

    ssl_certificate /path/to/cert.pem;
    ssl_certificate_key /path/to/key.pem;

    location /ws {
        proxy_pass http://localhost:8080;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }

    location / {
        proxy_pass http://localhost:8080;
    }
}

This configuration sets up an SSL-enabled server listening on port 443, with a WebSocket endpoint at /ws. It proxies incoming WebSocket traffic to a backend server running on port 8080, and also proxies regular HTTP traffic to the same backend.

Note that you will need to obtain SSL certificates and keys for your domain, and replace the /path/to/cert.pem and /path/to/key.pem paths in the configuration file with the actual file paths on your system.