image maki/modx doesn't exist or access restricted

[imtiazShakil]

I cloned the repository and tried to run using docker-compose up -d... here is what I get

Creating network "docker-modx_default" with the default driver
Pulling db (mysql:5.7)...
5.7: Pulling from library/mysql
20e4dcae4c69: Pull complete
1c56c3d4ce74: Pull complete
e9f03a1c24ce: Pull complete
68c3898c2015: Pull complete
6b95a940e7b6: Pull complete
90986bb8de6e: Pull complete
ae71319cb779: Pull complete
ffc89e9dfd88: Pull complete
43d05e938198: Pull complete
064b2d298fba: Pull complete
df9a4d85569b: Pull complete
Digest: sha256:4bc6bc963e6d8443453676cae56536f4b8156d78bae03c0145cbe47c2aad73bb
Status: Downloaded newer image for mysql:5.7
Pulling web (maki/modx:)...
ERROR: The image for the service you're trying to recreate has been removed. If you continue, volume data could be lost. Consider backing up your data before continuing.

Continue with the new image? [yN]y
Pulling web (maki/modx:)...
ERROR: pull access denied for maki/modx, repository does not exist or may require 'docker login': denied: requested access to the resource is denied

the base image maki/modx doesn't exist.

[imtiazShakil]

I created a pull request that fixes the dead maki/modx image issue and also updates modx to latest 3.0.5 .

Please have a look #27

This is my first time working with modx. Any suggestion is welcome.
Thanks