Ubuntu docker memcached

Server

sudo mkdir ~/memcached
cd ~/memcached
sudo rm docker-compose.yml
sudo echo 'version: "3"
services:
    memcached:
        image: memcached:alpine
        ports:
            - 1121:11211
        container_name: p11211' >> docker-compose.yml && echo docker-compose.yml" created"

sudo echo 'nc -w0 localhost 1121 > /dev/null; [ $? != 0 ] && docker-compose -f /root/memcached/docker-compose.yml up -d &' >> start.sh && echo start.sh" created"

sudo docker-compose up -d

crontab -e

* * * * * root echo $(sh /root/memcached/start.sh)

Client ~/golang/main.go

package main

import (
	"fmt"

	"github.com/bradfitz/gomemcache/memcache"
)

func main() {
	mc := memcache.New("ipv4_server:1121") // ipv4_server: 127.0.0.1
	mc.Set(&memcache.Item{Key: "foo", Value: []byte("my value")})
	mc.Touch("foo", 20) // set cache expiration time

	it, err := mc.Get("foo")
	fmt.Println(string(it.Key), string(it.Value), err)
}

Bash command line

ipv4_server=127.0.0.1
telnet $ipv4_server 1121 # ipv4_server: 127.0.0.1
# quit
# stats
# get foo
# ...