■Environments
<AWS>
EC2:t2.micro
<Instelled Docker version>
$ docker version
Client:
Version: 18.06.1-ce
API version: 1.38
Go version: go1.10.3
Git commit: e68fc7a215d7133c34aa18e3b72b4a21fd0c6136
Built: Mon Jul 1 18:51:44 2019
OS/Arch: linux/amd64
Experimental: false
Server:
Engine:
Version: 18.06.1-ce
API version: 1.38 (minimum version 1.12)
Go version: go1.10.3
Git commit: e68fc7a/18.06.1-ce
Built: Mon Jul 1 18:53:20 2019
OS/Arch: linux/amd64
Experimental: false//
$ docker-compose version
docker-compose version 1.24.1, build 4667896b
docker-py version: 3.7.3
CPython version: 3.6.8
OpenSSL version: OpenSSL 1.1.0j 20 Nov 2018
■Let's TRY
(1)Pull Ubuntu(ubuntu:16.04) images from repository
*"Pull" command will download images from Docker repository
$ docker pull ubuntu:16.04
16.04: Pulling from library/ubuntu
f7277927d38a: Pull complete
8d3eac894db4: Pull complete
edf72af6d627: Pull complete
3e4f86211d23: Pull complete
Digest: sha256:97b54e5692c27072234ff958a7442dde4266af21e7b688e7fca5dc5acc8ed7d9
Status: Downloaded newer image for ubuntu:16.04
(2)Create Container @ bash from images
$ docker run -d -it ubuntu:16.04 bash
Confirmed containor by "ps" command
*"ps" will show all container at docker host
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
4173f3027999 ubuntu:16.04 "bash" About a minute ago Up About a minute dreamy_elion
(3)Run & modify existed container
$ docker exec -it 4173f3027999 bash
root@4173f3027999:/# apt-get update && apt-get install -y php
(4)Created new image from "commit",then added tag
$ docker commit 4173f3027999
sha256:f669c3195c60707a2ade86107f3f3a4a01aac99f41dbe55b3396037167734bb2
$ docker tag f669c3195c607 sampledocker
$ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
sampledocker latest f669c3195c60 About a minute ago 203MB
ubuntu 16.04 5e13f8dd4c1a 10 days ago 120MB
(4)Copy local file to Docker Container
$ touch samplefile
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
4173f3027999 ubuntu:16.04 "bash" 17 minutes ago Up 17 minutes dreamy_elion
$ docker cp samplefile 4173f3027999:/
$ docker exec 4173f3027999 bash -c 'ls -al /'
total 4
drwxr-xr-x 1 root root 102 Aug 3 10:32 .
drwxr-xr-x 1 root root 102 Aug 3 10:32 ..
-rwxr-xr-x 1 root root 0 Aug 3 10:14 .dockerenv
drwxr-xr-x 1 root root 19 Aug 3 10:20 bin
drwxr-xr-x 2 root root 6 Apr 12 2016 boot
drwxr-xr-x 5 root root 360 Aug 3 10:14 dev
drwxr-xr-x 1 root root 4096 Aug 3 10:20 etc
drwxr-xr-x 2 root root 6 Apr 12 2016 home
drwxr-xr-x 1 root root 45 Sep 13 2015 lib
drwxr-xr-x 2 root root 34 Jul 20 13:50 lib64
drwxr-xr-x 2 root root 6 Jul 20 13:50 media
drwxr-xr-x 2 root root 6 Jul 20 13:50 mnt
drwxr-xr-x 2 root root 6 Jul 20 13:50 opt
dr-xr-xr-x 100 root root 0 Aug 3 10:14 proc
drwx------ 1 root root 27 Aug 3 10:21 root
drwxr-xr-x 1 root root 21 Jul 20 13:50 run
-rw-rw-r-- 1 1000 1000 0 Aug 3 10:31 samplefile
drwxr-xr-x 1 root root 21 Jul 23 15:22 sbin
drwxr-xr-x 2 root root 6 Jul 20 13:50 srv
dr-xr-xr-x 13 root root 0 Aug 3 10:14 sys
drwxrwxrwt 1 root root 6 Aug 3 10:19 tmp
drwxr-xr-x 1 root root 66 Jul 20 13:50 usr
drwxr-xr-x 1 root root 41 Jul 20 13:51 var
(5)Stop container
$ docker stop 4173f3027999
4173f3027999
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
*ps -a will show stopped container
$ docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
4173f3027999 ubuntu:16.04 "bash" 20 minutes ago Exited (0) 32 seconds ago dreamy_elion