zcl0621/express-limit

A express rate limit, using Redis, support for multiple processes

run a Redis

skip

build image

docker build -t ratelimit:01 .

run four process

docker run -idt -p 3000:3000 --link ${your_redis_host}:redis.orb.local  ratelimit:01
docker run -idt -p 3001:3000 --link ${your_redis_host}:redis.orb.local  ratelimit:01
docker run -idt -p 3002:3000 --link ${your_redis_host}:redis.orb.local  ratelimit:01
docker run -idt -p 3003:3000 --link ${your_redis_host}:redis.orb.local  ratelimit:01
docker run -idt -p 3004:3000 --link ${your_redis_host}:redis.orb.local  ratelimit:01

install python3

skip

install locust package

pip3 install locust

modify nginx

confirm you nginx.conf path

events {
    worker_connections  1024;
}


http {
    include       mime.types;
    default_type  application/octet-stream;

    #tcp_nopush     on;

    keepalive_timeout  65;

    upstream backend {
        server localhost:3000 weight=1;
        server localhost:3001 weight=1;
        server localhost:3002 weight=1;
        server localhost:3003 weight=1;
    }

    server {
        listen       8080;
        server_name  localhost;

        location / {
   		      proxy_pass http://backend;
	    }     
    }
}

start nginx

nginx

simple test

curl http://127.0.0.1:8080/test1 curl http://127.0.0.1:8080/test2

bench test

python3 -m locust -f benchMark.py

if you want to test more user,pls modify benchMark.py line 4 the number

open browser

http://0.0.0.0:8089 

configuration

end pic

I can see a successful wave of requests every five minutes, while the rest of the requests are being blocked due to exceeding the rate limiter.