Based on https://github.com/IoTOpen/edge-client-docker-compose.
docker compose pull
docker compose up --wait --detachSign in on https://lynx.iotopen.se/, go to https://lynx.iotopen.se/users/me/security?tab=api-keys, click "Add API
key“ and create a new API key. Copy the API key and open
https://iotlab-iotopen-edge-client.local.itkdev.dk/index.cgi?access-token=«your API key» with «your API key»
replaced with your actual API key, e.g.
https://iotlab-iotopen-edge-client.local.itkdev.dk/index.cgi?access-token=9s+nb4NJWWo4riQ5M3dQlEkliM6Gdq15+MFLZqhP2DVxqcTkK0-aWFH4zaAAtPc4Create a new (or open an) "Installation" on https://lynx.iotopen.se/installations and go to Settings » Edge Client » Create new credentials.
Go to https://iotlab-iotopen-edge-client.local.itkdev.dk/setup.cgi and fill out the form with the values from your new credentials. Click "Submit" and "re-register" the gateway.
Open your installation on https://lynx.iotopen.se/installations/ and open "Edge app instances". Hopefully "Edge status" will show "Online" (in green).