Add CMD and EXPOSE instruction example
@@ -61,3 +61,22 @@ created. Supported `Dockerfile` instructions:
f5283438590d
$ docker inspect -f "{{ .Config.Env }}" f5283438590d
[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
