CentOS Stream 8
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Docker : Access to Container Services
2021/04/06
 
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/centos-nginx /usr/sbin/nginx -g "daemon off;"

e4c4b137845a8af17dfc1060509fd281865cc6d76481f8aea370001a6ea1b3ed

[root@dlp ~]#
docker ps

CONTAINER ID   IMAGE                    COMMAND                  CREATED         STATUS         PORTS                  NAMES
e4c4b137845a   srv.world/centos-nginx   "/usr/sbin/nginx -g …"   6 seconds ago   Up 6 seconds   0.0.0.0:8081->80/tcp   serene_rubin

# create a test page

[root@dlp ~]#
docker exec e4c4b137845a /bin/bash -c 'echo "Nginx on Docker Container" > /usr/share/nginx/html/index.html'
# verify it works normally

[root@dlp ~]#
curl localhost:8081

Nginx on Docker Container
Matched Content