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

events {
    worker_connections 1024;
}

http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;
    sendfile      on;
    keepalive_timeout 65;
    client_max_body_size 100M;

    upstream backend {
        server backend:8000;
    }

    upstream frontend {
        server frontend:80;
    }

    server {
        listen 80;

        # API, HLS-Streams, Auth
        location ~ ^/(api|hls|login|logout|ping)(/.*)?$ {
            proxy_pass http://backend;
            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_read_timeout 300s;
            # HLS streaming: disable buffering
            proxy_buffering off;
        }

        # Cover images / static media served by backend
        location /covers/ {
            proxy_pass http://backend;
            proxy_set_header Host $host;
            expires 7d;
            add_header Cache-Control "public";
        }

        # Frontend (React SPA)
        location / {
            proxy_pass http://frontend;
            proxy_set_header Host $host;
        }
    }
}