Hi @viamonster
Try to setup rabbit setting with the default values.
RABBITMQ_USER=taiga
RABBITMQ_PASS=taiga
RABBITMQ_VHOST=taiga
RABBITMQ_ERLANG_COOKIE=secret-erlang-cookie
The problem that I think you are having is that you have changed rabbit’s settings (pass and cookie) after having previously initialized it. Therefore, the volume has been created with the initial configuration that appears in the docker-compose.yml.
As it is an internal service, which does not expose any port to the outside of the internal network, my recommendation is that you leave it as it is. There is no security problem.
However, if you want to change it, you must delete the volumes and containers after each change, before starting the system again.
docker compose rm taiga-docker-taiga-async-rabbitmq
docker volume rm taiga-docker_taiga-async-rabbitmq-data
docker compose rm taiga-docker-taiga-events-rabbitmq
docker volume rm taiga-docker_taiga-events-rabbitmq-data
I hope this can help
Best regards
