default.conf

worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;

events {
    worker_connections 1024;
}

#env shold declare
env env_test;

http {
    log_format main '[$time_local] [Status:$status]  [RealIP:$http_x_forwarded_for] [ForwardIP:$proxy_add_x_forwarded_for] [LocalIP:$remote_addr] '
                    '[$remote_user]  [$request] [RequestTime:$request_time] '
                    '[BodyBytes:$body_bytes_sent] [$http_referer] [$http_user_agent]';

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

    sendfile            on;
    tcp_nopush          on;
    tcp_nodelay         on;
    keepalive_timeout   65;
    types_hash_max_size 2048;
    server_tokens off;
    # 清除多余请求头
    more_clear_headers 'Server';
    include             /usr/local/openresty/nginx/conf/mime.types;
    default_type        application/octet-stream;

    lua_package_path "/etc/nginx/lua/?.lua;;";

    server {
        listen 80;

        location / {
            resolver local=on ipv6=off;

            access_by_lua_block {
                local H = require("helloworld")
                local json = require "cjson"
                ngx.header['Content-Type'] = 'application/json; charset=utf-8'

                local value = H:hello_value()
                local ret = {code=0, msg="success",data=value}
                ngx.say(json.encode(ret))
            }
        }

    }
}