Error: nginx: [emerg] unknown directive "stream" in /etc/nginx/nginx.conf:11

[Gandla, Kesavardhana]

Dear NGINX community,

I am Kesavardhana Gandla from Medtronic R&D, Bangalore. I am trying to evaluate the nginx on YOCTO Linux based embedded product.
My Linux version: 5.15.71  aarch64 GNU/Linux.
While using the stream option on target the below error is coming.

Error: nginx: [emerg] unknown directive "stream" in /etc/nginx/nginx.conf:11
Attached the nginx.conf file for reference.
nginx -V
nginx version: nginx/1.20.1
built with OpenSSL 3.0.7 1 Nov 2022
TLS SNI support enabled
configure arguments: --crossbuild=Linux:aarch64 --with-endian=little --with-int=4 --with-long=8 --with-long-long=8 --with-ptr-size=8 --with-sig-atomic-t=8 --with-size-t=8 --with-off-t=8 --with-time-t=8 --with-sys-nerr=132 --conf-path=/etc/nginx/nginx.conf --http-log-path=/var/log/nginx/access.log --error-log-path=/var/log/nginx/error.log --http-client-body-temp-path=/run/nginx/client_body_temp --http-proxy-temp-path=/run/nginx/proxy_temp --http-fastcgi-temp-path=/run/nginx/fastcgi_temp --http-uwsgi-temp-path=/run/nginx/uwsgi_temp --http-scgi-temp-path=/run/nginx/scgi_temp --pid-path=/run/nginx/nginx.pid --prefix=/usr --with-threads --with-http_gzip_static_module --with-http_ssl_module

Could you please provide your feedback to resolve the above error "unknown directive stream"?
Does open source version of NGNX support stream directive? If yes, how to include it in the yocto build?

Thanks,
Kesavardhana Gandla
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user www;
worker_processes 1;
pid /run/nginx/nginx.pid;
include /etc/nginx/modules-enabled/*.conf;

events {
    worker_connections 768;
    # multi_accept on;
}

stream {
  server {
      listen 8081;
#      proxy_pass IP_ADDRESS:PORT_NUMBER;
  }
}

http {
    # Basic Settings
    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    types_hash_max_size 2048;
    # server_tokens off;

    # server_names_hash_bucket_size 64;
    # server_name_in_redirect off;

    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;

    # SSL Settings
    ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3; # Dropping SSLv3, ref: POODLE
    ssl_prefer_server_ciphers on;

    ## Logging
    access_log /var/log/nginx/access.log;
    error_log /var/log/nginx/error.log;

    ## Gzip settings
    gzip  on;

    gzip_vary on;
    gzip_proxied any;
    gzip_comp_level 6;
    gzip_buffers 16 8k;
    gzip_http_version 1.1;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

    ## Virtual Host Configs
  ## Virtual Host Configs
    include /etc/nginx/conf.d/*.conf;
    include /etc/nginx/sites-enabled/*;
}