NGINX Log Headers

headers.js

// /etc/nginx/headers.js
function headers_json(r) {
    return JSON.stringify(r.headersIn)
  }

  export default {headers_json};

nginx.conf

# /etc/nginx/nginx.conf

load_module modules/ngx_http_js_module.so;

worker_processes auto;

error_log /var/log/nginx/error.log notice;
pid /tmp/nginx.pid;


events {
    worker_connections 1024;
}


http {
    proxy_temp_path /tmp/proxy_temp;
    client_body_temp_path /tmp/client_temp;
    fastcgi_temp_path /tmp/fastcgi_temp;
    uwsgi_temp_path /tmp/uwsgi_temp;
    scgi_temp_path /tmp/scgi_temp;

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

    js_import headers.js;
    js_set $headers_json headers.headers_json;
    log_format main escape=none
    '\nremote_addr: $remote_addr'
    '\nremote_user: $remote_user'
    '\ntime_local: $time_local'
    '\nrequest: $request'
    '\nstatus: $status'
    '\nheaders_json: $headers_json'
    '\nhttp_x_forwarded_for: $http_x_forwarded_for'
    '\nProxy: "$proxy_host" "$upstream_addr"';

    access_log /var/log/nginx/access.log main;

    sendfile on;
    #tcp_nopush     on;

    keepalive_timeout 65;

    #gzip  on;

    include /etc/nginx/conf.d/*.conf;
}