day 6

#---------------------------------------------------- nginx image  --------------------------------------------#


[ec2-user@ip-172-31-41-59 ~]$ docker image pull nginx:alpine
alpine: Pulling from library/nginx
f56be85fc22e: Pull complete
97c80f11709c: Pull complete
afb503c1f124: Pull complete
f8c948b732dd: Pull complete
d021bba29710: Pull complete
cadcca1af197: Pull complete
4aacde79cec4: Pull complete
Digest: sha256:2e776a66a3556f001aba13431b26e448fe8acba277bf93d2ab1a785571a46d90
Status: Downloaded newer image for nginx:alpine
docker.io/library/nginx:alpine
[ec2-user@ip-172-31-41-59 ~]$
[ec2-user@ip-172-31-41-59 ~]$ docker container run --name webserver -d -p 8080:80 nginx:alpine
dee9abcc968ae9a7fd844efd56ea03561fa57e58a0ccf32c71be61f75838e900
[ec2-user@ip-172-31-41-59 ~]$
[ec2-user@ip-172-31-41-59 ~]$
[ec2-user@ip-172-31-41-59 ~]$ docker container exec -it webserver sh
/ #
/ #
/ # ls
bin                   docker-entrypoint.sh  lib                   opt                   run                   sys                   var
dev                   etc                   media                 proc                  sbin                  tmp
docker-entrypoint.d   home                  mnt                   root                  srv                   usr
/ # cd /usr/share/nginx/html/
/usr/share/nginx/html # ls
50x.html    index.html
/usr/share/nginx/html # apk add vim
/usr/share/nginx/html # vim index.html
/usr/share/nginx/html # cat index.html
<h1><center>This is a nginx container copied without docker hub</h1></center>



#---------------------------------------------------- Docker commit & save --------------------------------------------#

[ec2-user@ip-172-31-41-59 ~]$ docker commit webserver mynginx:1
sha256:2d29b590a34e23aff3600f584c01823cae2d86d3fc3b8dc57a32290b7af63a47
[ec2-user@ip-172-31-41-59 ~]$
[ec2-user@ip-172-31-41-59 ~]$
[ec2-user@ip-172-31-41-59 ~]$
[ec2-user@ip-172-31-41-59 ~]$ docker image ls
REPOSITORY   TAG       IMAGE ID       CREATED          SIZE
mynginx      1         2d29b590a34e   15 seconds ago   71.5MB
nginx        alpine    fe7edaf8a8dc   2 days ago       41.4MB
wordpress    latest    5174bdcbb532   3 days ago       616MB
mysql        debian    e11a2cc22198   4 days ago       602MB
alpine       latest    5e2b554c1c45   2 weeks ago      7.33MB

[ec2-user@ip-172-31-41-59 ~]$ docker save mynginx > mynginx.tar

[ec2-user@ip-172-31-41-59 ~]$
[ec2-user@ip-172-31-41-59 ~]$
[ec2-user@ip-172-31-41-59 ~]$ scp mynginx.tar 13.232.228.56:/home/ec2-user
The authenticity of host '13.232.228.56 (13.232.228.56)' can't be established.
ED25519 key fingerprint is SHA256:a0BikVx74V6xB7kvKd9L2cCY22I6UNP1Z5SYC+69cGI.
This key is not known by any other names
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added '13.232.228.56' (ED25519) to the list of known hosts.
mynginx.tar                                                                                                               100%   71MB 107.1MB/s   00:00
[ec2-user@ip-172-31-41-59 ~]$


#---------------------------------------------------- Docker load --------------------------------------------#

[ec2-user@ip-172-31-12-16 ~]$ sudo yum install docker -y &> /dev/null
[ec2-user@ip-172-31-12-16 ~]$ sudo systectl start docker
sudo: systectl: command not found
[ec2-user@ip-172-31-12-16 ~]$ sudo systemctl start docker
[ec2-user@ip-172-31-12-16 ~]$ sudo systemctl enable docker
Created symlink /etc/systemd/system/multi-user.target.wants/docker.service ? /usr/lib/systemd/system/docker.service.
[ec2-user@ip-172-31-12-16 ~]$
[ec2-user@ip-172-31-12-16 ~]$ sudo usermod -aG docker ec2-user
[ec2-user@ip-172-31-12-16 ~]$ groups ec2-user
ec2-user : ec2-user adm wheel systemd-journal docker
[ec2-user@ip-172-31-12-16 ~]$
logout
[ec2-user@ip-172-31-12-16 ~]$ ls
mynginx.tar
[ec2-user@ip-172-31-12-16 ~]$ docker load < mynginx.tar
f1417ff83b31: Loading layer [==================================================>]  7.338MB/7.338MB
d007f013021f: Loading layer [==================================================>]  5.625MB/5.625MB
30085473d084: Loading layer [==================================================>]  3.584kB/3.584kB
664eb87278f9: Loading layer [==================================================>]  4.608kB/4.608kB
0fbe8c68abd3: Loading layer [==================================================>]   5.12kB/5.12kB
c8db7b4be633: Loading layer [==================================================>]  7.168kB/7.168kB
8d68b6b128f7: Loading layer [==================================================>]  30.23MB/30.23MB
1103bc774a10: Loading layer [==================================================>]  31.34MB/31.34MB
Loaded image: mynginx:1
[ec2-user@ip-172-31-12-16 ~]$ docker image ls
REPOSITORY   TAG       IMAGE ID       CREATED          SIZE
mynginx      1         2d29b590a34e   10 minutes ago   71.5MB

[ec2-user@ip-172-31-12-16 ~]$ docker container run --name webserver -d -p 80:80 --restart always mynginx:1
df6925881125e8479d3c120b45c78672d4e7d1d1368857c958e3607c55be8ee0
[ec2-user@ip-172-31-12-16 ~]$ docker container ls
CONTAINER ID   IMAGE       COMMAND                  CREATED         STATUS         PORTS                               NAMES
df6925881125   mynginx:1   "/docker-entrypoint.…"   3 seconds ago   Up 2 seconds   0.0.0.0:80->80/tcp, :::80->80/tcp   webserver
[ec2-user@ip-172-31-12-16 ~]$
[[ec2-user@ip-172-31-12-16 ~]$ docker stats webserver
CONTAINER ID   NAME        CPU %     MEM USAGE / LIMIT     MEM %     NET I/O           BLOCK I/O        PIDS
df6925881125   webserver   0.00%     2.242MiB / 949.8MiB   0.24%     6.63kB / 4.82kB   4.1kB / 8.19kB   2