nginx.conf

worker_processes auto;
pid /tmp/nginx.pid;
error_log /var/log/nginx/error.log warn;

events {
    worker_connections 1024;
}

http {
    access_log /var/log/nginx/access.log;

    upstream api {
        server 127.0.0.1:8000;
    }

    upstream streamlit {
        server 127.0.0.1:8501;
    }

    map $http_upgrade $connection_upgrade {
        default upgrade;
        ''      close;
    }

    server {
        listen 7860;
        server_name _;

        location /api/ {
            proxy_pass http://api/;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_http_version 1.1;
            # /search/stream emits NDJSON incrementally; buffering would hold it
            # until the response completes, defeating the point of streaming.
            proxy_buffering off;
            proxy_read_timeout 600s;
            proxy_send_timeout 600s;
        }

        location / {
            proxy_pass http://streamlit;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection $connection_upgrade;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_read_timeout 600s;
            proxy_send_timeout 600s;
        }
    }
}