config/nginx/nginx_errors.conf

user  root;
worker_processes  1;

pid        /var/run/nginx.pid;
error_log  /dev/stdout info;

events {
    worker_connections  256;
    # multi_accept on;
}

http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;
    server_tokens off;

    log_format main '$remote_addr - $remote_user [$time_local] '
                    '"$request" $status $body_bytes_sent '
                    '"$http_referer" "$http_user_agent" '
                    '$request_time $upstream_response_time $pipe';

    access_log /dev/stdout main;

    keepalive_timeout 65;
    types_hash_max_size 2048;

    ## custom log format
    log_format http_log_custom '$remote_addr - $remote_user [$time_local] "$request" $status $body_bytes_sent "$http_referer" "$http_user_agent" $request_time $upstream_response_time $pipe';

    log_format json_log_custom escape=json
      '{'
        '"source":"nginx",'
        '"remote_user":"$remote_user",'
        '"time_local":"$time_local",'
        '"remote_addr":"$remote_addr",'
        '"host":"$host",'
        '"proxy_x_forwarded_for":"$proxy_add_x_forwarded_for",'
        '"request":"$request",'
        '"status": "$status",'
        '"request_method": "$request_method",'
        '"body_bytes_sent":"$body_bytes_sent",'
        '"request_time":"$request_time",'
        '"upstream_response_time":"$upstream_response_time",'
        '"http_referrer":"$http_referer",'
        '"http_scheme":"$scheme",'
        '"http_user_agent":"$http_user_agent"'
      '}';


    server {
      listen 80 default;
      # ensure we get the proper Docker DNS resolver for load balancing.
      resolver        127.0.0.11 ipv6=off valid=10s;
      server_name     localhost 127.0.0.1;
      access_log      /dev/stdout json_log_custom;
      error_log       /dev/stdout;

      error_page  404    /404.html;

      location / {
        root  /etc/nginx/error_pages;
        internal;
      }

    }

}