server {
    listen 80;
    server_name opencloud.novicelab.io;
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl; # http2;
    server_name opencloud.novicelab.io;

    ssl_certificate     /etc/letsencrypt/live/novicelab.io/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/novicelab.io/privkey.pem;
    ssl_protocols       TLSv1.2 TLSv1.3;
    ssl_ciphers         HIGH:!aNULL:!MD5;
    ssl_session_cache   shared:SSL:10m;

    # Security headers
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
    add_header X-Frame-Options DENY;
    add_header X-Content-Type-Options nosniff;
    add_header X-XSS-Protection "1; mode=block";

    client_max_body_size 10M;

    # Disable buffering - essential for SSE
    proxy_buffering off;
    proxy_request_buffering off;

    # Extend timeouts for long connections
    proxy_read_timeout 3600s;
    proxy_send_timeout 3600s;
    keepalive_requests 100000;
    keepalive_timeout 5m;
    http2_max_concurrent_streams 512;

    resolver 127.0.0.11 8.8.8.8 8.8.4.4 valid=300s;
    resolver_timeout 5s;

    # set $opencloud_backend 10.0.0.251:9200;
    # Prevent nginx from trying other upstreams
    proxy_next_upstream off;


    location / {
        # Pass all other requests to CouchDB
        proxy_pass              http://10.0.0.251:9200;
        #proxy_pass         http://$opencloud_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_set_header        X-Forwarded-Proto $scheme;

        # Headers for WebSocket support
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }
}