worker_processes auto;
pid /tmp/nginx.pid;
error_log /dev/stderr warn;

events { worker_connections 1024; }

http {
    include /etc/nginx/mime.types;
    default_type application/octet-stream;
    access_log /dev/stdout;
    server_tokens off;
    sendfile on;
    client_body_temp_path /tmp/client_temp;
    proxy_temp_path /tmp/proxy_temp;
    fastcgi_temp_path /tmp/fastcgi_temp;
    uwsgi_temp_path /tmp/uwsgi_temp;
    scgi_temp_path /tmp/scgi_temp;

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

    # Re-resolve the private service after Compose watch replaces its container.
    resolver 127.0.0.11 valid=5s ipv6=off;

    server {
        listen 8080;
        root /usr/share/nginx/html;
        index index.html;
        client_max_body_size 16k;
        set $curltastic_backend curltastic-backend:3000;

        location = /healthz {
            access_log off;
            default_type text/plain;
            return 200 "ok\n";
        }

        # Traefik removes /curltastic before these requests reach nginx.
        location = /ws {
            proxy_pass http://$curltastic_backend$request_uri;
            proxy_http_version 1.1;
            proxy_set_header Host $host;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection $connection_upgrade;
            proxy_read_timeout 3600s;
            proxy_send_timeout 3600s;
            proxy_buffering off;
        }

        location = /room {
            proxy_pass http://$curltastic_backend$request_uri;
            proxy_http_version 1.1;
            proxy_set_header Host $host;
            proxy_set_header Connection "";
        }

        location /assets/ {
            try_files $uri =404;
            add_header Cache-Control "public, max-age=31536000, immutable";
        }

        location / {
            try_files $uri $uri/ /index.html;
            add_header Cache-Control "no-cache";
        }
    }
}