1- pull the container:
sudo docker pull nginx
2- Start the container ( listening on port )
sudo docker run -d --name mynginx3 -p 8080:80 nginx
-d detach
-p port
3- information about
sudo docker info mynginx
4- listening port: 8080 >>> send to the container on port 80
jlk@ubuntu:~$ sudo docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
818616837c2b nginx "nginx -g 'daemon off" 33 minutes ago Up 33 minutes 0.0.0.0:8080->80/tcp mynginx3
f69ae6288204 nginx "nginx -g 'daemon off" About an hour ago Up About an hour 80/tcp mynginx
5- execute a command into the container: list the file in the
root@ubuntu:/srv# docker exec mynginx ls /usr/share/nginx/html/
50x.html
index.html
...
<p><em>Thank you for using nginx.</em></p>
</body>
</html>
6- mapping the /usr/share/nginx/html/ directory in the container to the /srv/www directory in the host
sudo docker run --name our-nginx -v /srv/www:/usr/share/nginx/html:ro -d nginx
...