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We should see our private keys and certificates in the certs/ folder. To generate a self-signed certificate on our registry host: mkdir openssl req \ We will now create our own self-signed certificate, secure our registry with TLS, and then restrict access to it using Basic Auth. Remove the -insecure-registry flag from our boot2docker profile file and restart our boot2docker. Self-Signed Registry With Access Restriction Please read up on the pros-and-cons of insecure registry. ĭrwxr-xr-x 5 root root 4096 Nov 29 19:38 consul In my case, my registry host looks like: ls -al data/docker/registry/v2/repositories/ĭrwxr-xr-x 3 root root 4096 Nov 29 19:37. Since we run our registry with a mounted volume earlier, we should see the image stored under the volume source. Now attempt to push our newly tagged image again, and it should work.
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$docker-machine ssh default #ssh into sudo vi /var/lib/boot2docker/profile #update boot2docker profile to trust the insecure registryĪdd the floating IP of your registry node to EXTRA_ARGS as an insecure registry in the boot2docker profile file: EXTRA_ARGS='Įxit out of boot2docker and restart it using docker-machine. In my case, this changes need to be done to my boot2docker. To tell our local Docker to disregard security and trust our docker registry as an insecure registry, make the following changes in our local Docker (not our registry host). V1 ping attempt failed with error: Get : tls: oversized record received with length 20527 Trust An Insecure Registry V2 ping attempt failed with error: Get : tls: oversized record received with length 20527 $docker push :5000/consul # push to my registry $docker tag isim/consul :5000/consul # tag for remote repository (In my case, I am using boot2docker.) $docker pull isim/consul # pull from docker hub If we tried to push a docker image to our registry now, it should fail. This should get Docker Registry 2.0 running on our host. $docker-machine ssh docker run -d -p 5000:5000 \ Let's SSH into our droplet and set up a docker registry. This creates a droplet named registry in, defaulted to 512MB of memory and 20GB of hard disk storage, with an auto-assign public floating IP address. To create the registry host on Digital Ocean: $docker-machine create -driver digitalocean \
DOCKER IN DOCKER INSECURE REGISTRY HOW TO
Let's take a look at how to set up an insecure docker registry and a self-signed docker registry on Digital Ocean.