Dockerfile制作haproxy镜像

Dockerfile制作haproxy镜像 结构目录

[root@localhost ~]# tree haproxy/
haproxy/
├── Dockerfile
└── files
    ├── haproxy-2.4.8.tar.gz
    ├── haproxy.cfg
    ├── install.sh
    ├── run_haproxy.sh
    └── sysctl.conf

[root@localhost ~]# mkdir haproxy
[root@localhost haproxy]# mkdir files
[root@localhost haproxy]# vim Dockerfile
[root@localhost haproxy]# cat Dockerfile 
FROM centos
  
LABEL MAINTAINER="yaya 1870648704 @qq.com"

ENV version 2.4.8

WORKDIR /usr/local/

ADD files/haproxy-${version}.tar.gz /usr/src

ADD files/install.sh /usr/local

ADD files/haproxy.cfg /etc/haproxy/

ADD files/run_haproxy.sh /usr/local

ADD files/sysctl.conf /etc/

RUN  ["/bin/bash","-c","/usr/local/install.sh"]

EXPOSE 80  8189

CMD ["/usr/local/run_haproxy.sh"]

[root@localhost haproxy]# cd files/
[root@localhost files]# ll
总用量 3516
-rw-r--r-- 1 root root 3599555 12月 10 21:02 haproxy-2.4.8.tar.gz
[root@localhost files]# vim install.sh
[root@localhost files]# cat install.sh 
#!/bin/bash 

rm -rf /etc/yum.repos.d/* 
curl -o /etc/yum.repos.d/CentOS-base.repo https://mirrors.aliyun.com/repo/Centos-$(awk -F'"' 'NR==2{print }' /etc/os-release).repo 
yum -y install make gcc pcre-devel bzip2-devel openssl-devel systemd-devel 
useradd -r -M -s /sbin/nologin haproxy 
cd /usr/src/haproxy-${version}
cd /usr/src/haproxy-${version} && make clean && 
        make -j $(nproc) TARGET=linux-glibc USE_OPENSSL=1 USE_PCRE=1 USE_SYSTEMD=1 && 
        make install PREFIX=/usr/local/haproxy && 

yum -y remove make gcc gcc-c++ && 
rm -rf /usr/src/* /var/cache/*

[root@localhost files]# 

[root@localhost files]# cat sysctl.conf 
# sysctl settings are defined through files in
# /usr/lib/sysctl.d/, /run/sysctl.d/, and /etc/sysctl.d/.
#
# Vendors settings live in /usr/lib/sysctl.d/.
# To override a whole file, create a new file with the same in
# /etc/sysctl.d/ and put new settings there. To override
# only specific settings, add a file with a lexically later
# name in /etc/sysctl.d/ and put new settings there.
#
# For more information, see sysctl.conf(5) and sysctl.d(5).
net.ipv4.ip_nonlocal_bind = 1
net.ipv4.ip_forward = 1

[root@localhost files]# cat haproxy.cfg 
#--------------全局配置----------------
global
    log 127.0.0.1 local0  info
    #log loghost local0 info
    maxconn 20480
#chroot /usr/local/haproxy
    pidfile /var/run/haproxy.pid
    #maxconn 4000
    user haproxy
    group haproxy
    daemon
#---------------------------------------------------------------------
#common defaults that all the 'listen' and 'backend' sections will
#use if not designated in their block
#---------------------------------------------------------------------
defaults
    mode http
    log global
    option dontlognull
    option httpclose
    option httplog
    #option forwardfor
    option redispatch
    balance roundrobin
    timeout connect 10s
    timeout client 10s
    timeout server 10s
    timeout check 10s
    maxconn 60000
    retries 3
#--------------统计页面配置------------------
listen admin_stats
    bind 0.0.0.0:8189
    stats enable
    mode http
    log global
    stats uri /haproxy_stats
    stats realm Haproxy Statistics
    stats auth admin:admin
    #stats hide-version
    stats admin if TRUE
    stats refresh 30s
#---------------web设置-----------------------
listen webcluster
    bind 0.0.0.0:80
    mode http
    #option httpchk GET /index.html
    log global
    maxconn 3000
    balance roundrobin
    cookie SESSION_cookie insert indirect nocache
    server web01 172.17.0.3:80 check inter 2000 fall 5
    server web02 172.17.0.4:80 check inter 2000 fall 5

制作haproxy镜像

[root@localhost haproxy]# docker build -t weixiaoya/haproxy:v0.1 haproxy/
Sending build context to Docker daemon  3.609MB
Step 1/12 : FROM centos
 ---> 5d0da3dc9764
Step 2/12 : LABEL MAINTAINER="yaya 1870648704 @qq.com"
 ---> Running in 26b8ff9b8ceb
Removing intermediate container 26b8ff9b8ceb
 ---> 51deb2caf18b
Step 3/12 : ENV version 2.4.8
 ---> Running in f433067e9ae9
Removing intermediate container f433067e9ae9
 ---> 7929ed7010f7
Step 4/12 : WORKDIR /usr/local/
 ---> Running in 643c1758d996
Removing intermediate container 643c1758d996
 ---> 8a7c14d4f5b7
Step 5/12 : ADD files/haproxy-${version}.tar.gz /usr/src
······················
 ---> Running in f01ab7688994
Removing intermediate container f01ab7688994
 ---> 72c546d2fe87
Successfully built 72c546d2fe87
Successfully tagged weixiaoya/haproxy:v0.1
[root@localhost ~]# docker images
REPOSITORY          TAG       IMAGE ID       CREATED              SIZE
weixiaoya/haproxy   v0.1      72c546d2fe87   about a minute ago   390MB
weixiaoya/httpd     latest    0315b95b2dad   42 hours ago         701MB
weixiaoya/yaya      v0.1      835f5837f57d   46 hours ago         231MB
weixiaoya/httpd     v0.2      230991a0d197   3 days ago           701MB
weixiaoya/httpd     v0.1      24270cd5ab1a   4 days ago           712MB
nginx               latest    f652ca386ed1   8 days ago           141MB
busybox             latest    d23834f29b38   11 days ago          1.24MB
centos              latest    5d0da3dc9764   2 months ago         231MB

创建容器

[root@localhost ~]# docker run -itd --name haproxy -p 8080:80 72c546d2fe87 
911034dfd352f5d969a236730bf4a7f82ffa10b05dabd700588a18b10c04083c
[root@localhost ~]# docker ps
ConTAINER ID   IMAGE             COMMAND                  CREATED         STATUS         PORTS                                         NAMES
911034dfd352   72c546d2fe87      "/usr/local/run_hapr…"   5 seconds ago   Up 3 seconds   0.0.0.0:8080->80/tcp, :::8080->80/tcp         haproxy

[root@localhost haproxy]# docker exec -it haproxy /bin/bash
[root@911034dfd352 ~]# ss -antl
State           Recv-Q          Send-Q                   Local Address:Port                   Peer Address:Port          Process          
LISTEN          0               128                            0.0.0.0:80                          0.0.0.0:*                              
LISTEN          0               128                            0.0.0.0:8189    


[root@localhost haproxy]# docker run -itd --name httpd 0315b95b2dad
636b41c7296b518a13b23b18b03a82887e2fa355b69e0a442e70a85f98d158b7
[root@localhost haproxy]# docker run -itd --name nginx nginx
40608264bc298da20ba7260713bea44d9f9dd88017441e113a7806f369f0e51e


[root@localhost haproxy]# docker ps
ConTAINER ID   IMAGE          COMMAND                  CREATED          STATUS          PORTS                                   NAMES
40608264bc29   nginx          "/docker-entrypoint.…"   2 minutes ago    Up 2 minutes    80/tcp                                  nginx
0315b95b2dad   httpd          "/usr/local/apache/b…"   4 minutes ago   Up 4 minutes   80/tcp, 443/tcp                         httpd
911034dfd352   72c546d2fe87   "/usr/local/run_hapr…"   19 minutes ago   Up 19 minutes   0.0.0.0:8080->80/tcp, :::8080->80/tcp   haproxy

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