# Load OpenTelemetry module (path will be determined at runtime or use relative path)
# The nginx:1.29.3-alpine-otel image should have the module available
load_module modules/ngx_otel_module.so;

worker_processes  auto;

# Send error logs to stderr for kubectl logs
error_log  /dev/stderr warn;

pid        ${NGINX_PID};

events {
    worker_connections  1024;
}

http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;
    
    gzip on;
    gzip_disable "msie6";
    gzip_vary on;
    gzip_proxied any;
    gzip_comp_level 6;
    gzip_buffers 16 8k;
    gzip_http_version 1.1;
    gzip_min_length 256;
    gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript application/vnd.ms-fontobject application/x-font-ttf font/opentype image/svg+xml image/x-icon application/javascript;
    

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for" '
                      '"$otel_trace_id"';

    sendfile        on;
    keepalive_timeout  65;

    # Include server configurations
    include /etc/nginx/conf.d/*.conf;

    access_log /dev/stdout ${NGINX_ACCESS_LOG_FORMAT};
    error_log  /dev/stderr ${NGINX_ERROR_LOG_LEVEL};
    ${NGINX_EXTRA_ACCESS_LOG}
    ${NGINX_EXTRA_ERROR_LOG}
}