Commands and configuration file to configure docker registry

docker-registry.sh

# Run a docker registry
# https://docs.docker.com/registry/deploying/
docker run -d -p 5000:5000 \
              --restart=always \
              --name registry\
              -v /mnt/registry:/var/lib/registry \
              -e REGISTRY_HTTP_ADDR=0.0.0.0:5000 \
              registry:2
              
# Add private registry as insecure
# https://docs.docker.com/registry/insecure/
Edit the daemon.json file, whose default location is /etc/docker/daemon.json on Linux
{
  "insecure-registries" : ["myregistrydomain.com:5000"]
}

# Add proxy configuration
# https://serverfault.com/questions/803333/docker-private-registry-docker-push-is-forbidden
Edit /etc/systemd/system/docker.service.d/http-proxy.conf
[Service] 
Environment="HTTP_PROXY=http://proxy:3128"
Environment="NO_PROXY=localhost,127.0.0.0/8"


# Restart docker service
systemctl daemon-reload
sudo service docker restart