Docker Private Registry (insecure)

daemon.json

# /etc/docker/daemon.json 
# (stop docker before editing et start after)
{
    "data-root": "/data/docker", 
    "hosts": [
        "unix:///var/run/docker.sock", 
        "tcp://0.0.0.0:2376"
    ], 
    "insecure-registries": [
        "registry-host:5000"
    ], 
    "storage-driver": "devicemapper"
}

registry.sh

# Persistence in "registry" named volume
docker run -d -p 5000:5000 -v registry:/var/lib/registry --restart=always --name registry registry:2

# Test
curl http://registry-host:5000/v2/_catalog

# Push image
docker pull alpine 
docker tag alpine registry-host:5000
docker push registry-host:5000

# List images
curl http://registry-host:5000/v2/_catalog
docker search registry-host:5000