Debian 11 Bullseye
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Docker : Access to Container Services2021/08/30

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]

docker run -t -d -p 8081:80 /usr/sbin/nginx -g "daemon off;"


docker ps

CONTAINER ID   IMAGE                    COMMAND                  CREATED         STATUS         PORTS                  NAMES
eef50a9f51ac   "/usr/sbin/nginx -g …"   8 seconds ago   Up 6 seconds>80/tcp   silly_mccarthy

# create a test page

docker exec eef50a9f51ac /bin/bash -c 'echo "Nginx on Docker Container" > /var/www/html/index.html'
# verify it works normally

curl localhost:8081

Nginx on Docker Container
Matched Content