About project

This is a custom container that will authorize users based on their SSH private key. The key whitelist is provided by SSH public keys for silta project.

Fingerprint keys are moved to a dedicated folder, /etc/ssh/keys, that can be mounted to a persistent storage.

Configuration

Provide following environment variables for the container:

• GITAUTH_URL: Endpoint providing ssh key list. f.ex. https://example.com/api/1/git-ssh-keys
• GITAUTH_SCOPE: Scope you want to use for authorisation. f.ex. https://github.com/organisation or git@github.com:organisation/reponame.git for getting public keys of all reponame repository collaborators.
• GITAUTH_USERNAME: Key server credentials
• GITAUTH_PASSWORD: Key server credentials
• OUTSIDE_COLLABORATORS: Include outside collaborators f.ex. "true".

Running

Build and run the docker image:

docker image build -t ssh-server .
docker run -p 2222:22 --env-file ./env.list -d ssh-server

Connect to ssh server

ssh www-admin@localhost -p 2222