Ubuntu 21.04
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Docker : Access to Container Services
2021/05/13
 
If you'd like to access to services like HTTP or SSH which is running in Containers as a daemon, Configure like follows.
[1] For exmaple, Use a Container image which has Nginx.
# start a Container and also run Nginx

# 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/ubuntu-nginx /usr/sbin/nginx -g "daemon off;"

fdb3a02ff0140cb9aefff34b7ee740855d2949450b3f7c068cf4a693f3f5e96b

root@dlp:~#
docker ps

CONTAINER ID   IMAGE                    COMMAND                  CREATED         STATUS         PORTS                  NAMES
fdb3a02ff014   srv.world/ubuntu-nginx   "/usr/sbin/nginx -g …"   8 seconds ago   Up 8 seconds   0.0.0.0:8081->80/tcp   priceless_pascal

# create a test page

root@dlp:~#
docker exec fdb3a02ff014 /bin/bash -c 'echo "Nginx on Docker Container" > /var/www/html/index.html'
# verify it works normally

root@dlp:~#
curl localhost:8081

Nginx on Docker Container
Matched Content