docker构建openrety + lua + mysql + rediscluster

1，构建前准备

名称	说明	地址
openresty-1.17.8.1.tar.gz	openresty 安装包	OpenResty® - 中文官方站
ngx_cache_purge-2.3.tar.gz	清理nginx缓存模块（不用可不装）	FRiCKLE Labs / nginx / ngx_cache_purge
lua-resty-redis-cluster-master.zip	rediscluster模块，redis集群使用	GitHub - cuiweixie/lua-resty-redis-cluster: a openresty redis cluster client

2，编写Dockerfile文件

FROM centos
ADD openresty-1.17.8.1.tar.gz /
ADD ngx_cache_purge-2.3.tar.gz /
ADD lua-resty-redis-cluster/ /lua-resty-redis-cluster
RUN yum -y install perl gcc make pcre-devel openssl openssl-devel
RUN cd /openresty-1.17.8.1 && ./configure --prefix=/opt/openresty \
--with-luajit \
--add-module=/ngx_cache_purge-2.3 \
--without-http_redis2_module && make && make install && \
ln -sf /dev/stdout /opt/openresty/nginx/logs/access.log && \
ln -sf /dev/stderr /opt/openresty/nginx/logs/error.log
RUN cp /opt/openresty/luajit/include/luajit-2.1/*.h /usr/include/  && cd /lua-resty-redis-cluster && make && make install && cp /lua-resty-redis-cluster/lib/resty/rediscluster.lua /opt/openresty/lualib/resty/rediscluster.lua && cd lib && gcc redis_slot.c -fPIC -shared -o /opt/openresty/site/lualib/libredis_slot.so
ENV LUA_PATH=/lua/?.lua;;
WORKDIR /opt/openresty/nginx/sbin
ENTRYPOINT  ["/opt/openresty/nginx/sbin/nginx","-c","/opt/openresty/nginx/conf/nginx.conf","-g","daemon off;"]

说明：

FROM centos

使用centos镜像

ADD openresty-1.17.8.1.tar.gz /
ADD ngx_cache_purge-2.3.tar.gz /
ADD lua-resty-redis-cluster/ /lua-resty-redis-cluster

将openresty安装包，nginx缓存清理模块，redis集群源码文件夹添加到容器内

RUN yum -y install perl gcc make pcre-devel openssl openssl-devel

安装openresty依赖

RUN cd /openresty-1.17.8.1 && ./configure --prefix=/opt/openresty \
--with-luajit \
--add-module=/ngx_cache_purge-2.3 \
--without-http_redis2_module && make && make install && \
ln -sf /dev/stdout /opt/openresty/nginx/logs/access.log && \
ln -sf /dev/stderr /opt/openresty/nginx/logs/error.log

cd /openresty-1.17.8.1 打开安装目录

--prefix： 安装地址

--add-module=/ngx_cache_purge-2.3 安装nginx缓存清理模块，不用可缓存清理可不写

--without-http_redis2_module redis模块

make && make install  编译并安装

ln -sf /dev/stdout /opt/openresty/nginx/logs/access.log && \
ln -sf /dev/stderr /opt/openresty/nginx/logs/error.log nginx输出日志到docker容器日志文件

RUN cp /opt/openresty/luajit/include/luajit-2.1/*.h /usr/include/  && cd /lua-resty-redis-cluster && make && make install && cp /lua-resty-redis-cluster/lib/resty/rediscluster.lua /opt/openresty/lualib/resty/rediscluster.lua && cd lib && gcc redis_slot.c -fPIC -shared -o /opt/openresty/site/lualib/libredis_slot.so

cp /opt/openresty/luajit/include/luajit-2.1/*.h /usr/include/  解决这个报错

 

ENV LUA_PATH=/lua/?.lua;; lua脚本存放地址

WORKDIR /opt/openresty/nginx/sbin
ENTRYPOINT  ["/opt/openresty/nginx/sbin/nginx","-c","/opt/openresty/nginx/conf/nginx.conf","-g","daemon off;"]
设置工作地址，以及启动openresty

mysql lua工具类

--MySQL查询操作，封装成一个模块
--Java操作MySqL
--导入依赖包
local mysql = require "resty.mysql"

--配置数据源链接
local props = {
    host = "192.168.18.200",
    port = 3306,
    database = "demo",
    user = "root",
    password = "123456"
}

--创建一个对象
local mysqldb = {}


--查询数据库
function mysqldb.query(sql)
	--创建链接
	local db = mysql:new()
	--设置超时时间
	db:set_timeout(10000)
	db:connect(props)

	--配置编码格式
	db:query("SET NAMES utf8")

	--查询数据库 "select * from activity_info where id=1"
	local result = db:query(sql)
	
	--关闭链接
	db:close()
	--返回结果集
	return result
end

return mysqldb

redisclster工具类

--操作Redis集群，封装成一个模块
--引入依赖库
local redis_cluster = require "resty.rediscluster"

--配置Redis集群链接信息
local config = {
    name = "test",
    serv_list = {
        {ip="192.168.18.204", port = 7001},
        {ip="192.168.18.204", port = 7002},
        {ip="192.168.18.204", port = 7003},
        {ip="192.168.18.204", port = 7004},
        {ip="192.168.18.204", port = 7005},
        {ip="192.168.18.204", port = 7006},
    },
    idle_timeout    = 1000,
    pool_size       = 10000,
}

--定义一个对象
local lredis = {}

--创建set（）添加数据方法
function lredis.set(key,value)
	--1)打开链接
	local red = redis_cluster:new(config)
	red:init_pipeline()

	--2)执行命令【set】
	red:set(key,value)
	red:commit_pipeline()

	--3)关闭链接
	red:close()
end


--创建查询数据get（）
function lredis.get(key)
	--1)打开链接
	local red = redis_cluster:new(config)
	red:init_pipeline()

	--2)执行命令【set】
	red:get(key)
	local result = red:commit_pipeline()

	--3)关闭链接
	red:close()
	
	--4)返回结果集
	return result
end


return lredis

nginx 配置

pcre_jit on;
events {
    worker_connections  1024;
}
http {
	include       mime.types;
	default_type  application/octet-stream;
	# 代理缓存配置	
	proxy_cache_path /data/cache levels=1:2 keys_zone=openresty_cache:10m max_size=10g inactive=60m use_temp_path=off;
    
	server {
		listen 80;
		server_name localhost;
		location /info {
			#启用缓存openresty_cache
			proxy_cache openresty_cache;
			##针对指定请求缓存
			##proxy_cache_methods GET;
			##设置指定请求会缓存
			proxy_cache_valid 200 304 10s;
			##最少请求1次才会缓存
			proxy_cache_min_uses 3;
			##如果并发请求，只有第1个请求会去服务器获取数据
			##proxy_cache_lock on;
			##唯一的key
			proxy_cache_key $host$uri$is_args$args;
			proxy_pass http://192.168.18.142:8089;
			
		}
		location ~ /purge(/.*) {
			# 清理缓存
			proxy_cache_purge openresty_cache $host$1$is_args$args;
		}

		location /lua {
			#default_type text/plain;
			content_by_lua_file /lua/main.lua;
		}
	}
    client_body_temp_path /data/openresty/nginx-client-body;
    proxy_temp_path       /data/openresty/nginx-proxy;
    fastcgi_temp_path     /data/openresty/nginx-fastcgi;
    uwsgi_temp_path       /data/openresty/nginx-uwsgi;
    scgi_temp_path        /data/openresty/nginx-scgi;

    sendfile        on;
    keepalive_timeout  65;
    include /etc/nginx/conf.d/*.conf;
}

nginx配置中/lua/main.lua代码

ngx.header.content_type="application/json;charset=utf8"
 -- 引入工具类
local cjson = require("cjson")
local mysql = require("mysql")
local lrredis = require("redis")
-- redis存储 get为读取
lrredis.set("k","v")
-- mysql读取查询
local rel = mysql.query("select * from shop")
-- json返回
ngx.say(cjson.encode(rel))

docker容器启动命令

docker run -d -p 889:80 -v /home/openrestry/lua/:/lua -v /home/openrestry/nginx.conf:/opt/openresty/nginx/conf/nginx.conf -v /home/openrestry/data:/data --name opentry2 openresty:t