git clone https://github.com/techmaniack/docker-local-cache.git
cd docker-local-cache
docker-compose up -d
Once the registry container is up and listening in port 5000 you must set the registry-mirrors key to localhost:5000 and restart docker service.
First pull for mongo image takes 71 seconds while next pull is complete in 19 seconds.
$ time docker pull mongo
Using default tag: latest
latest: Pulling from library/mongo
...
Status: Downloaded newer image for mongo:latest
docker pull mongo 0.17s user 0.07s system 0% cpu 1:11.08 total
$ docker rmi mongo
Untagged: mongo:latest
Untagged: mongo@sha256:c4bc4644b967a4b58022a79cf5c9afcd25ed08180c958a74df57b7753cfc8649
...
Deleted: sha256:5d924e3b1efdcda770bc33e6d7563f5ca2411dcc6b7368c8a30356bed474ae5a
$ time docker pull mongo
Using default tag: latest
latest: Pulling from library/mongo
...
Status: Downloaded newer image for mongo:latest
docker pull mongo 0.13s user 0.05s system 0% cpu 19.296 total