Fedora 28
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Docker : Access to Services on Container2018/05/30

If you'd like to access to services like HTTP or SSH which is running on Containers as a daemon, set like follows.
[1] For exmaple, use a Container which has httpd.
# start the Container and also run httpd

# map the port of Host and the port of Container with [-p xxx:xxx]

[root@dlp ~]#
docker run -t -d -p 8081:80 srv.world/fedora_httpd /usr/sbin/httpd -D FOREGROUND
[root@dlp ~]#
docker ps

CONTAINER ID  IMAGE                   COMMAND         CREATED    STATUS        PORTS                ...
e6adca6440bc  srv.world/fedora_httpd  "/usr/sbin..."  6 seconds  Up 5 seconds>80/tcp ...

# create a test page

[root@dlp ~]#
docker exec e6adca6440bc /bin/bash -c 'echo "httpd on Docker Container" > /var/www/html/index.html'
# verify it works normally

[root@dlp ~]#
curl localhost:8081

httpd on Docker Container
Matched Content