apache - docker: Says connection refused when attempting to connect to a published port -

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i'm newbie @ docker. i'm creating hello, world example. i'm trying bring apache in docker , view default website host machine.

dockerfile

from centos:latest  run yum install epel-release -y  run yum install wget -y  run yum install httpd -y  expose 80  entrypoint ["/usr/sbin/httpd", "-d", "foreground"]

and build it: > docker build .

and tag it:

docker tag 17283f566320 my:apache

and run it:

> docker run -p 80:9191 my:apache ah00558: httpd: not reliably determine server's qualified domain name, using 172.17.0.2. set 'servername' directive globally suppress message

it runs....

in terminal window, attempt issue curl command view default web site.

> curl -xget http://0.0.0.0:9191 curl: (7) failed connect 0.0.0.0 port 9191: connection refused  > curl -xget http://localhost:9191 curl: (7) failed connect localhost port 9191: connection refused  > curl -xget http://127.0.0.1:9191 curl: (7) failed connect 127.0.0.1 port 9191: connection refused

or try localhost

just make sure got port correct, run this:

> docker ps -l container id        image               command                  created             status              ports                          names 5aed4063b1f6        my:apachep      "/usr/sbin/httpd -d f"   43 seconds ago      42 seconds       80/tcp, 0.0.0.0:80->9191/tcp   angry_hodgkin

despite created containers in local machine. these running on different machine (a virtual machine)

first, check ip of docker machine (the virtual machine)

$docker-machine ls name      active   driver       state     url                         swarm default   *        virtualbox   running   tcp://192.168.99.100

then run curl command view default web site on apache web server inside container

curl http://192.168.99.100:9191

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