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Add CMD and EXPOSE instruction example 

Signed-off-by: Mihuleacc Sergiu <mihuleac.sergiu@gmail.com>
This commit is contained in:
Mihuleacc Sergiu 2015-10-12 16:20:47 +03:00 committed by Tibor Vass
parent f10d93f394
commit 2af4a1ef4b
1 changed files with 19 additions and 0 deletions
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@ -61,3 +61,22 @@ created. Supported `Dockerfile` instructions:
f5283438590d f5283438590d
$ docker inspect -f "{{ .Config.Env }}" f5283438590d $ docker inspect -f "{{ .Config.Env }}" f5283438590d
[HOME=/ PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin DEBUG=true] [HOME=/ PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin DEBUG=true]
## Commit a container with new `CMD` and `EXPOSE` instructions
$ docker ps
ID IMAGE COMMAND CREATED STATUS PORTS
c3f279d17e0a ubuntu:12.04 /bin/bash 7 days ago Up 25 hours
197387f1b436 ubuntu:12.04 /bin/bash 7 days ago Up 25 hours
$ docker commit --change='CMD ["apachectl", "-DFOREGROUND"]' -c "EXPOSE 80" c3f279d17e0a SvenDowideit/testimage:version4
f5283438590d
$ docker run -d SvenDowideit/testimage:version4
89373736e2e7f00bc149bd783073ac43d0507da250e999f3f1036e0db60817c0
$ docker ps
ID IMAGE COMMAND CREATED STATUS PORTS
89373736e2e7 testimage:version4 "apachectl -DFOREGROU" 3 seconds ago Up 2 seconds 80/tcp
c3f279d17e0a ubuntu:12.04 /bin/bash 7 days ago Up 25 hours
197387f1b436 ubuntu:12.04 /bin/bash 7 days ago Up 25 hours