docker: Error response from daemon: driver failed programming external connectivity on endpoint

[prabhuvd]

Everything was working fine until creation of client authentication certificate and installing it on the firefox browser.

Successfully worked with Tutorials :

https://www.youtube.com/watch?v=x-kEqPrz1g0&list=PLt17f5skfOPFbNd8LQs-1AiPryJgcSvmZ&index=1&pp=iAQB
https://www.youtube.com/watch?v=wMD1GgSF-JE&list=PLt17f5skfOPFbNd8LQs-1AiPryJgcSvmZ&index=2&pp=iAQB

Installed code signing docker as described here :
https://www.youtube.com/watch?v=wMqPWKi3ukE&list=PLt17f5skfOPFbNd8LQs-1AiPryJgcSvmZ&index=3&pp=iAQB

Issue faced during command execution:

sudo docker run -it --rm -p 80:8080 -p 443:8443 -h localhost -e TLS_SETUP_ENABLED="simple" -e LOG_LEVEL_APP=DEBUG keyfactor/ejbca-ce

Error response :
docker: Error response from daemon: driver failed programming external connectivity on endpoint elegant_gagarin (e5cd6815180edaf07df2e61239b2d407325a274fce136182555cc36121ad921a): Error starting userland proxy: listen tcp4 0.0.0.0:80: bind: address already in use.

• Tried restarting the docker service.
• Killed all the docker container_ID's and restarted the docker.

[prabhuvd]

Issue resolved after i stopped the apache service :

sudo service apache2 stop