Can't change rabbit credentials

I recently tried to change all of the default credentials in the .env file on my own instance and had some problems so I am trying again. I started by changing the flower credentials and it worked well.
Now I tried to change the credentials for rabbit and it simply did not change anything and the default credentials still worked.

Every time I change the credentials I do docker-compose down --volumes and then docker compose up -d
These are the current variables. the passwords are 20 characters long.

RABBITMQ_HOST=rabbit
RABBITMQ_DEFAULT_USER=rabbit-username
RABBITMQ_DEFAULT_PASS='...REDACTED...'
RABBITMQ_MANAGEMENT_PORT=15672
RABBITMQ_PORT=5672
WORKER_CONNECTION_TIMEOUT=100000000 # milliseconds

FLOWER_PUBLIC_PORT=5555

FLOWER_BASIC_AUTH='root:...REDACTED...'

Here are the rabbit logs, I will add more if you tell me which you need.

rabbit-1          | 2024-02-16 10:59:07.512346+00:00 [info] <0.2095.0> accepting AMQP connection <0.2095.0> (172.24.0.7:37626 -> 172.24.0.4:5672)
rabbit-1          | 2024-02-16 10:59:07.513567+00:00 [error] <0.2095.0> Error on AMQP connection <0.2095.0> (172.24.0.7:37626 -> 172.24.0.4:5672, state: starting):
rabbit-1          | 2024-02-16 10:59:07.513567+00:00 [error] <0.2095.0> AMQPLAIN login refused: user 'rabbit-username' - invalid credentials
rabbit-1          | 2024-02-16 10:59:07.513711+00:00 [info] <0.2095.0> closing AMQP connection <0.2095.0> (172.24.0.7:37626 -> 172.24.0.4:5672)

Start by comparing the .env variables with the RabbitMQ service definition in the docker-compose configuration, then reproduce the credential change using the reported teardown and startup commands. Done means the intended credentials are accepted, the default credentials are rejected, and the relevant RabbitMQ logs no longer report invalid credentials.