server {
    listen 80;
    server_name _; # Replace _ with your domain if you have one

    # Reverse proxy for Open WebUI
    location / {
        proxy_pass http://open-webui:8080;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        # Required for WebSockets
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_read_timeout 900s; 
        proxy_send_timeout 900s;
    }

    # Reverse proxy for vLLM server API
    # External access will be https://your.domain/vllm-api/
    # For example, https://your.domain/vllm-api/v1/chat/completions
    location /vllm-api/ {
        proxy_pass http://vllm-server:8000/; # Note the trailing slash
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_buffering off; 
        proxy_read_timeout 900s;
        proxy_send_timeout 900s;
    }
}