openresty config and test files - see http://bitsandpieces.it/nginx-by-examples-openresty

lua-file.lua

local _M = {}

function _M.content() {
  ngx.say(cjson.encode({from = "a", file = "now"}))
}

return _M;

nginx

#!/bin/sh
#
# chkconfig: 2345 55 25
# Description: Nginx init.d script, put in /etc/init.d, chmod +x /etc/init.d/nginx
#              For Debian, run: update-rc.d -f nginx defaults
#              For CentOS, run: chkconfig --add nginx
#
### BEGIN INIT INFO
# Provides:          nginx
# Required-Start:    $all
# Required-Stop:     $all
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: nginx init.d script
# Description:       OpenResty (aka. ngx_openresty) is a full-fledged web application server by bundling the standard Nginx core, lots of 3rd-party Nginx modules, as well as most of their external dependencies.
### END INIT INFO
#

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DESC="Nginx Daemon"
NAME=nginx
PREFIX=/usr/local/openresty/nginx
DAEMON=$PREFIX/sbin/$NAME
CONF=$PREFIX/conf/$NAME.conf
PID=/run/$NAME.pid
SCRIPT=/etc/init.d/$NAME

if [ ! -x "$DAEMON" ] || [ ! -f "$CONF" ]; then
    echo -e "\033[33m $DAEMON has no permission to run. \033[0m"
    echo -e "\033[33m Or $CONF doesn't exist. \033[0m"
    sleep 1
    exit 1
fi

do_start() {
    if [ -f $PID ]; then
        echo -e "\033[33m $PID already exists. \033[0m"
        echo -e "\033[33m $DESC is already running or crashed. \033[0m"
        echo -e "\033[32m $DESC Reopening $CONF ... \033[0m"
        $DAEMON -s reopen -c $CONF
        sleep 1
        echo -e "\033[36m $DESC reopened. \033[0m"
    else
        echo -e "\033[32m $DESC Starting $CONF ... \033[0m"
        $DAEMON -c $CONF
        sleep 1
        echo -e "\033[36m $DESC started. \033[0m"
    fi
}

do_stop() {
    if [ ! -f $PID ]; then
        echo -e "\033[33m $PID doesn't exist. \033[0m"
        echo -e "\033[33m $DESC isn't running. \033[0m"
    else
        echo -e "\033[32m $DESC Stopping $CONF ... \033[0m"
        $DAEMON -s stop -c $CONF
        sleep 1
        echo -e "\033[36m $DESC stopped. \033[0m"
    fi
}

do_reload() {
    if [ ! -f $PID ]; then
        echo -e "\033[33m $PID doesn't exist. \033[0m"
        echo -e "\033[33m $DESC isn't running. \033[0m"
        echo -e "\033[32m $DESC Starting $CONF ... \033[0m"
        $DAEMON -c $CONF
        sleep 1
        echo -e "\033[36m $DESC started. \033[0m"
    else
        echo -e "\033[32m $DESC Reloading $CONF ... \033[0m"
        $DAEMON -s reload -c $CONF
        sleep 1
        echo -e "\033[36m $DESC reloaded. \033[0m"
    fi
}

do_quit() {
    if [ ! -f $PID ]; then
        echo -e "\033[33m $PID doesn't exist. \033[0m"
        echo -e "\033[33m $DESC isn't running. \033[0m"
    else
        echo -e "\033[32m $DESC Quitting $CONF ... \033[0m"
        $DAEMON -s quit -c $CONF
        sleep 1
        echo -e "\033[36m $DESC quitted. \033[0m"
    fi
}

do_test() {
    echo -e "\033[32m $DESC Testing $CONF ... \033[0m"
    $DAEMON -t -c $CONF
}

do_info() {
    $DAEMON -V
}

case "$1" in
 start)
 do_start
 ;;
 stop)
 do_stop
 ;;
 reload)
 do_reload
 ;;
 restart)
 do_stop
 do_start
 ;;
 quit)
 do_quit
 ;;
 test)
 do_test
 ;;
 info)
 do_info
 ;;
 *)
 echo "Usage: $SCRIPT {start|stop|reload|restart|quit|test|info}"
 exit 2
 ;;
esac

exit 0

nginx.conf

user www-data;
worker_processes 1;
pid /run/nginx.pid;

events {
  worker_connections 1024;
  # multi_accept on;
}

http {

  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 mime.types;
  default_type application/octet-stream;
  
  # Logging Settings
  access_log /usr/local/openresty/nginx/logs/access.log;
  error_log /usr/local/openresty/nginx/logs/error.log;
  
  # Gzip Settings
  gzip off;
  gzip_disable "msie6";
  
  # 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/x-javascript text/xml application/xml application/xml+rss text/javascript;
  
  # we accept post requests with a body up to 128mb
  client_max_body_size 128m;
  
  # we set the package path to /usr/local/openresty/scripts
  lua_package_path ";;$prefix/scripts/?.lua";
  
  
  # Lua initalization routine (we define a global object)
  init_by_lua_block { 
    cjson = require "cjson" 
  }
  
  # vhosts
  server {
   
    listen 80 default;
    
    access_log /usr/local/openresty/nginx/logs/default.log;
    error_log /usr/local/openresty/nginx/logs/default.log;
   
    # for development only
    lua_code_cache off;
  
    # In production use
    #lua_code_cache on;
    
    location / {	
      default_type text/html;
  		
  		content_by_lua_block {
        ngx.say(cjson.encode({dog = 5, cat = 6}))
      }
    }
    
    location /lua-file {	
  		
      default_type text/html;
  		
      content_by_lua_block {
        require('lua-file').content()
      }
    }
  }
}