This command will host a docker register
docker run -d -p 5000:5000 -v ./register/images:/var/lib/registry -v ./certs:/certs -e REGISTRY_HTTP_TLS_CERTIFICATE=/certs/fullchain.pem -e REGISTRY_HTTP_TLS_KEY=/certs/privkey.pem --restart on-failure --name myregistry registry
To push image to this register you need to tag the image as <url>/<image_name>:<tag>
where tag is optional.
docker build -t localhost:5000/my-image:latest .
docker push localhost:5000/my-image:latest