wget -q -O taraxa.sh https://api.nodes.guru/taraxa.sh && chmod +x taraxa.sh && sudo /bin/bash taraxa.sh

To register your node you need to get its address, to do this execute the following command:

docker exec taraxa_compose_node_1 cat /opt/taraxa_data/conf/wallet.json

Output should be like the following:

49a303283915277ec9c8cb87f50368d2be41f38b

In that case, substitute 0x at the beginning of the line to get our node address:

0x49a303283915277ec9c8cb87f50368d2be41f38b

You also need to provide proof that this node is yours by running the following command:

docker exec taraxa_compose_node_1 taraxa-sign sign --wallet /opt/taraxa_data/conf/wallet.json

Enter the result of the command in the Proof of node ownership input field.
To register your node, go to the community portal and register your node (In the case of the example, the address would be 0x49a303283915277ec9c8cb87f50368d2be41f38b)