Enviando para o repositório docker: o acesso solicitado ao recurso foi negado

Imagem do docker criada:

(base) raphy@raohy:~/.talos/stunner/apps/nexus$ export MYREPO=raphaelcollab/stunner
(base) raphy@raohy:~/.talos/stunner/apps/nexus$ sudo docker build -t $MYREPO/nexus .
[+] Building 71.6s (29/29) FINISHED                                                                                                                                                          docker:default
 => [internal] load build definition from Dockerfile                                                                                                                                                   0.0s
 => => transferring dockerfile: 2.79kB                                                                                                                                                                 0.0s
 => [internal] load metadata for docker.io/library/debian:bookworm-20240701-slim                                                                                                                       0.0s
 => [internal] load metadata for docker.io/hexpm/elixir:1.17.2-erlang-27.0.1-debian-bookworm-20240701-slim                                                                                             0.0s
 => [internal] load .dockerignore                                                                                                                                                                      0.0s
 => => transferring context: 1.31kB                                                                                                                                                                    0.0s
 => [internal] load build context                                                                                                                                                                      0.1s
 => => transferring context: 158.99kB                                                                                                                                                                  0.0s
 => [stage-1 1/6] FROM docker.io/library/debian:bookworm-20240701-slim                                                                                                                                 0.0s
 => [builder  1/17] FROM docker.io/hexpm/elixir:1.17.2-erlang-27.0.1-debian-bookworm-20240701-slim                                                                                                     0.1s
 => [stage-1 2/6] RUN apt-get update -y &&   apt-get install -y libstdc++6 openssl libncurses5 locales ca-certificates   && apt-get clean && rm -f /var/lib/apt/lists/*_*                              9.4s
 => [builder  2/17] RUN apt-get update -y && apt-get install -y build-essential git pkg-config libssl-dev     && apt-get clean && rm -f /var/lib/apt/lists/*_*                                        28.4s
 => [stage-1 3/6] RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && locale-gen                                                                                                                     1.5s
 => [stage-1 4/6] WORKDIR /app                                                                                                                                                                         0.1s
 => [stage-1 5/6] RUN chown nobody /app                                                                                                                                                                0.2s
 => [builder  3/17] WORKDIR /app                                                                                                                                                                       0.0s
 => [builder  4/17] RUN mix local.hex --force &&     mix local.rebar --force                                                                                                                           2.1s
 => [builder  5/17] COPY mix.exs mix.lock ./                                                                                                                                                           0.1s
 => [builder  6/17] RUN mix deps.get --only prod                                                                                                                                                       2.9s
 => [builder  7/17] RUN mkdir config                                                                                                                                                                   0.2s
 => [builder  8/17] COPY config/config.exs config/prod.exs config/                                                                                                                                     0.1s
 => [builder  9/17] RUN mix deps.compile                                                                                                                                                              27.5s
 => [builder 10/17] COPY priv priv                                                                                                                                                                     0.0s
 => [builder 11/17] COPY lib lib                                                                                                                                                                       0.1s
 => [builder 12/17] COPY assets assets                                                                                                                                                                 0.1s
 => [builder 13/17] RUN mix assets.deploy                                                                                                                                                              6.6s
 => [builder 14/17] RUN mix compile                                                                                                                                                                    0.7s
 => [builder 15/17] COPY config/runtime.exs config/                                                                                                                                                    0.1s
 => [builder 16/17] COPY rel rel                                                                                                                                                                       0.0s
 => [builder 17/17] RUN mix release                                                                                                                                                                    1.4s
 => [stage-1 6/6] COPY --from=builder --chown=nobody:root /app/_build/prod/rel/nexus ./                                                                                                                0.4s
 => exporting to image                                                                                                                                                                                 0.6s
 => => exporting layers                                                                                                                                                                                0.5s
 => => writing image sha256:a0e0d292a593181591b1e354c7c5364717e1043cd2fd21acb8f7d3673ed8372d                                                                                                           0.0s
 => => naming to docker.io/raphaelcollab/stunner/nexus

Desconectado e conectado:

(base) raphy@raohy:~/.talos/stunner/apps/nexus$ docker logout
Removing login credentials for https://index.docker.io/v1/

(base) raphy@raohy:~/.talos/stunner/apps/nexus$ docker login -u raphaelcollab

Tag docker criada: ( erro docker push "negado: acesso solicitado ao recurso foi negado" )

(base) raphy@raohy:~/.talos/stunner/apps/nexus$ docker tag docker.io/raphaelcollab/stunner/nexus:latest docker.io/raphaelcollab/stunner/nexus

Tentou enviar para o repositório do docker:

(base) raphy@raohy:~/.talos/stunner/apps/nexus$ docker push docker.io/raphaelcollab/stunner/nexus
Using default tag: latest
The push refers to repository [docker.io/raphaelcollab/stunner/nexus]
0603097560bf: Preparing 
b5a39b1ed0d7: Preparing 
6ecbac9c9860: Preparing 
49d482126ff0: Preparing 
c5a36b2dc9a4: Preparing 
32148f9f6c5a: Waiting 
denied: requested access to the resource is denied

SO: Ubuntu 24.04

Adendo 1: Saída de docker login -u:

(base) raphy@raohy:~/.talos/stunner/apps/nexus$ docker login -u     
raphaelcollab

i Info → A Personal Access Token (PAT) can be used instead.
         To create a PAT, visit https://app.docker.com/settings
     
     
Password: 
Login Succeeded
(base) raphy@raohy:~/.talos/stunner/apps/nexus$ 

Adendo 2:

Este é o repositório que criei no docker:

Adendo 3:

Só posso criar um repositório chamado stunner e não stunner/nexus

E quando eu envio para docker.io/raphaelcollab/stunner/nexus:latest meu acesso é negado:

(base) raphy@raohy:~/.talos/stunner/apps/nexus$ docker tag 
raphaelcollab/stunner/nexus:latest raphaelcollab/stunner/ 
nexus:latest

(base) raphy@raohy:~/.talos/stunner/apps/nexus$ docker push docker.io/raphaelcollab/stunner/nexus:latest
The push refers to repository [docker.io/raphaelcollab/stunner/nexus]
0603097560bf: Preparing 
b5a39b1ed0d7: Preparing 
6ecbac9c9860: Preparing 
49d482126ff0: Preparing 
c5a36b2dc9a4: Preparing 
32148f9f6c5a: Waiting 
denied: requested access to the resource is denied

Como fazer isso funcionar?