20200929 映像與倉庫 (二)

課堂資料

None

課堂練習

Part 01.

/home/user

docker search httpd

docker login

docker pull centos

docker images

cd

systemctl start sshd

開啟 PuTTY

docker pull rackspacedot/python37

/var/lib/docker

cd /var/lib/docker

cd image

cd overlay2

docker images

docker run -it busybox:latest sh

ifconfig

ping www.google.com

exit

docker ps -a

docker run -it busybox:1 echo "hello world"

docker pull gcc

docker run -it -v /data:/data gcc:latest bash

cd /data

cat hello.c

gcc -o hello hello.c

exit

docker pull codenvy/python27

PuTTY

mkdir -p /data

cd /data

vim hello.c

#include <stdlib.h>
#include <stdio.h>

int main(){
    printf("hello world\n");
    return 0;
}

./hello

vim p2.py

[Service]

print "hello world"

vim p3.py

print ("hello world")

cat p2.py

cat p3.py

一次就可以刪除已經不在執行的容器

docker rm -f `docker ps -a -q`

docker rmi要確保沒有任何相關容器正在運行

Part 02.

docker run -it --rm busybox:latest echo "hello"

cd /data

mkdir -p /myweb

cd /myweb

echo "hello world" > index.html

docker run -itd --name myweb1 -p 8080:80 httpd

docker run -itd --name myweb2 -v /myweb: docker run -it --rm busybox:latest echo "hello" -p 8080:80 httpd

docker run -itd --name myweb2 -v /myweb:/usr/local/apache2/htdoc -p 8080:80 httpd

docker run -itd --name myweb3 -v /myweb:/usr/local/apache2/htdoc -p 8080:80 httpd

docker exec -it myweb3 bash

cd htdoc

cat index.html

exit

docker rm -f myweb3

docker run -itd --name myweb3 -v /myweb:/usr/local/apache2/htdocs -p 8081:80 httpd

Part 03.

docker run -itd --name myweb4 -p 8082:80 httpd

cd /myweb

docker cp index.html myweb4:/usr/local/apache2/htdocs

docker commit [容器ID] [xiaoji850312/鏡像名稱]:v1

docker run -itd --name myweb5 -p 8083:80 xiaoji850312/myweb4:v1

docker ps

docker attach [容器ID]