Flower in my ops/CI\CD
<Docker> Nginx Image 생성
꽃선생
2020. 12. 1. 17:34
Install Nginx
- docker run --privileged -d --name {CONTAINER_NAME} -p 80:80 centos:7 init
- docker ps
- docker exec -it {CONTAINER_NAME} bash
- yum install -y vim
- vim /etc/yum.conf ( ssl 문제 )
sslverify=false- vim /etc/yum.repos.d/nginx.repo
nginx.org/en/linux_packages.html#RHEL-CentOS
www.nginx.com/resources/wiki/start/topics/tutorials/install/
[nginx]
name=nginx repo
baseurl=https://nginx.org/packages/centos/$releasever/$basearch/
gpgcheck=0
enabled=1- yum install -y nginx
- systemctl enable nginx
- systemctl start nginx
- 방화벽 설정 필요 시
firewall-cmd --permanent --zone=public --add-port={PORT}/tcp
firewall-cmd --reload
firewall-cmd --list-ports
$ vim /etc/nginx/conf.d/default.conf
###---
listen {PORT}
###---- systemctl restart nginx
더보기
flower@docker $ docker run --privileged -d --name flower_centos -p 80:80 centos:7 init
42e696edcebd4ef3c3bf9909d6a8527111373015ff895c71dfc73793fa31081b
flower@docker $ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
42e696edcebd centos:7 "init" 4 seconds ago Up 3 seconds flower_centos
flower@docker $ docker exec -it flower_centos bash
[root@42e696edcebd /]$ vim /etc/yum.conf
###---
sslverify=false
###---
[root@42e696edcebd /]$ vim /etc/yum.repos.d/nginx.repo
###---
[nginx]
name=nginx repo
baseurl=http://nginx.org/packages/centos/7/$basearch/
gpgcheck=0
enabled=1
###---
[root@42e696edcebd /]$ yum install -y nginx
Loaded plugins: fastestmirror, ovl
Loading mirror speeds from cached hostfile
* base: ftp.kaist.ac.kr
* extras: ftp.kaist.ac.kr
* updates: ftp.kaist.ac.kr
base | 3.6 kB 00:00:00
extras | 2.9 kB 00:00:00
nginx | 2.9 kB 00:00:00
updates | 2.9 kB 00:00:00
nginx/x86_64/primary_db | 59 kB 00:00:01
Resolving Dependencies
--> Running transaction check
---> Package nginx.x86_64 1:1.18.0-2.el7.ngx will be installed
--> Processing Dependency: openssl >= 1.0.2 for package: 1:nginx-1.18.0-2.el7.ngx.x86_64
--> Running transaction check
---> Package openssl.x86_64 1:1.0.2k-19.el7 will be installed
--> Processing Dependency: make for package: 1:openssl-1.0.2k-19.el7.x86_64
--> Running transaction check
---> Package make.x86_64 1:3.82-24.el7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
==============================================================================================================================================================================================
Package Arch Version Repository Size
==============================================================================================================================================================================================
Installing:
nginx x86_64 1:1.18.0-2.el7.ngx nginx 769 k
Installing for dependencies:
make x86_64 1:3.82-24.el7 base 421 k
openssl x86_64 1:1.0.2k-19.el7 base 493 k
Transaction Summary
==============================================================================================================================================================================================
Install 1 Package (+2 Dependent packages)
Total download size: 1.6 M
Installed size: 4.6 M
Downloading packages:
(1/3): openssl-1.0.2k-19.el7.x86_64.rpm | 493 kB 00:00:00
(2/3): make-3.82-24.el7.x86_64.rpm | 421 kB 00:00:00
(3/3): nginx-1.18.0-2.el7.ngx.x86_64.rpm | 769 kB 00:00:04
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total 350 kB/s | 1.6 MB 00:00:04
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : 1:make-3.82-24.el7.x86_64 1/3
Installing : 1:openssl-1.0.2k-19.el7.x86_64 2/3
Installing : 1:nginx-1.18.0-2.el7.ngx.x86_64 3/3
----------------------------------------------------------------------
Thanks for using nginx!
Please find the official documentation for nginx here:
* http://nginx.org/en/docs/
Please subscribe to nginx-announce mailing list to get
the most important news about nginx:
* http://nginx.org/en/support.html
Commercial subscriptions for nginx are available on:
* http://nginx.com/products/
----------------------------------------------------------------------
Verifying : 1:nginx-1.18.0-2.el7.ngx.x86_64 1/3
Verifying : 1:openssl-1.0.2k-19.el7.x86_64 2/3
Verifying : 1:make-3.82-24.el7.x86_64 3/3
Installed:
nginx.x86_64 1:1.18.0-2.el7.ngx
Dependency Installed:
make.x86_64 1:3.82-24.el7 openssl.x86_64 1:1.0.2k-19.el7
Complete!
[root@42e696edcebd /]$ systemctl enable nginx
Created symlink from /etc/systemd/system/multi-user.target.wants/nginx.service to /usr/lib/systemd/system/nginx.service.
[root@42e696edcebd /]$ systemctl start nginx
[root@42e696edcebd /]$ curl localhost
<!DOCTYPE html>
<html>
<head>
<title>Welcome to nginx!</title>
<style>
body {
width: 35em;
margin: 0 auto;
font-family: Tahoma, Verdana, Arial, sans-serif;
}
</style>
</head>
<body>
<h1>Welcome to nginx!</h1>
<p>If you see this page, the nginx web server is successfully installed and
working. Further configuration is required.</p>
<p>For online documentation and support please refer to
<a href="http://nginx.org/">nginx.org</a>.<br/>
Commercial support is available at
<a href="http://nginx.com/">nginx.com</a>.</p>
<p><em>Thank you for using nginx.</em></p>
</body>
</html>Build Image new Nginx
1. Container to Image
- vim index.html (test용으로 작성)
- docker cp index.html {CONTAINER}:/usr/share/nginx/html/index.html
- docker commit {CONTAINER}
- docker images (none & IMAGE_ID 확인)
- docker tag {IMAGE_ID} {NEW_IMAGE}
- docker commit {CONTAINER} {NEW_IMAGE}
- docker stop {CONTAINER}
- docker rm {CONTAINER}
- docker run --privileged -d --name {CONTAINER} -p 80:80 {NEW_IMAGE} init
- docker ps
더보기
flower@docker $ vim index.html
flower@docker $ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
42e696edcebd centos:7 "init" 12 minutes ago Up 12 minutes flower_centos
flower@docker $ docker cp index.html flower_centos:/usr/share/nginx/html/index.html
flower@docker $ docker exec -it flower_centos bash
[root@42e696edcebd /]# curl localhost
<html>
<head>
<title>Nginx</title>
</head>
<body>
<h1>Nginx Server On!</h1>
</body>
</html>
flower@docker $ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
42e696edcebd centos:7 "init" 16 minutes ago Up 16 minutes flower_centos
flower@docker $ docker commit flower_centos
sha256:c49a27368f7f2d7f18d8b86509fb984da65442059f88471c740fa0ddd09ec0c3
flower@docker $ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
<none> <none> c49a27368f7f 7 seconds ago 351MB
centos 7 8652b9f0cb4c 2 weeks ago 204MB
flower@docker $ docker tag c49a27368f7f flower_nginx
flower@docker $ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
flower_nginx latest c49a27368f7f 2 minutes ago 351MB
centos 7 8652b9f0cb4c 2 weeks ago 204MB
flower@docker $ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
42e696edcebd centos:7 "init" 20 minutes ago Up 20 minutes flower_centos
flower@docker $ docker commit flower_centos flower_nginx
sha256:b8fbc8a432a5f48aacfa1b1a8a4481fa999ba747ef076bc0eab5d1edba094680
flower@docker $ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
42e696edcebd centos:7 "init" 21 minutes ago Up 21 minutes flower_centos
flower@docker $ docker stop flower_centos
flower_centos
flower@docker $ docker rm flower_centos
flower_centos
flower@docker $ docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
flower@docker $ docker run --privileged -d --name flower_nginx -p 80:80 centos:7 init
921dbe454fe676b583d7843ca4d153d597c983ea13a88d8fd5ccc7742b4f283d
flower@docker $ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
921dbe454fe6 flower_nginx "init" 2 seconds ago Up 1 second 0.0.0.0:80->80/tcp flower_nginx
2. Dockerfile
더보기
FROM centos:7
USER root
RUN echo 'sslverify=false' >> /etc/yum.conf
RUN touch /etc/yum.repos.d/nginx.repo
RUN echo '[nginx]' >> /etc/yum.repos.d/nginx.repo
RUN echo 'name=nginx repo' >> /etc/yum.repos.d/nginx.repo
RUN echo 'baseurl=https://nginx.org/packages/centos/7/$basearch/' >> /etc/yum.repos.d/nginx.repo
RUN echo 'gpgcheck=0' >> /etc/yum.repos.d/nginx.repo
RUN echo 'enabled=1' >> /etc/yum.repos.d/nginx.repo
RUN yum install -y nginx
EXPOSE 80
CMD ["nginx", "-g", "daemon off;"]