Docker Install German Raspberry 4

Hi all,
i have a problem with the locales.
Think it is posgres, but no idea how to get it running.
any help welcome.
thanks

sudo docker compose build 
[+] Building 7.0s (18/19)                                                                                                                         docker:default
 => [rabbitmq internal] load build definition from Dockerfile                                                                                               0.1s
 => => transferring dockerfile: 57B                                                                                                                         0.0s
 => [search internal] load build definition from Dockerfile                                                                                                 0.2s
 => => transferring dockerfile: 713B                                                                                                                        0.0s
 => [rabbitmq internal] load metadata for docker.io/library/rabbitmq:3.7.4                                                                                  1.1s
 => [db internal] load build definition from Dockerfile                                                                                                     0.1s
 => => transferring dockerfile: 383B                                                                                                                        0.0s
 => [search internal] load metadata for docker.elastic.co/elasticsearch/elasticsearch:7.9.3                                                                 5.1s
 => [db internal] load metadata for docker.io/metasfresh/metasfresh-db:5.175                                                                                0.9s
 => [rabbitmq internal] load .dockerignore                                                                                                                  0.1s
 => => transferring context: 2B                                                                                                                             0.0s
 => CACHED [rabbitmq 1/1] FROM docker.io/library/rabbitmq:3.7.4@sha256:357e472f36d3714d83cb17a9b5bdd87c7ce6ddde25b68980118a8f7298a95802                     0.0s
 => [rabbitmq] exporting to image                                                                                                                           0.1s
 => => exporting layers                                                                                                                                     0.0s
 => => writing image sha256:3eec84a5e4798fc9b82f1074fb74b9e09b49782718fc25fc6de6ca9889ee14f1                                                                0.0s
 => => naming to docker.io/library/metasfresh-docker-rabbitmq                                                                                               0.0s
 => [db internal] load .dockerignore                                                                                                                        0.1s
 => => transferring context: 2B                                                                                                                             0.0s
 => CACHED [db 1/3] FROM docker.io/metasfresh/metasfresh-db:5.175@sha256:34a107ec2e3b4192b2ca069399e419d555a6e51c9c556cf6a96426d9323ed2b1                   0.0s
 => ERROR [db 2/3] RUN localedef -i de_DE -c -f UTF-8 -A /usr/share/locale/locale.alias de_DE.UTF-8                                                         4.9s
 => [search internal] load .dockerignore                                                                                                                    0.3s
 => => transferring context: 2B                                                                                                                             0.0s
 => [search internal] load build context                                                                                                                    0.1s
 => => transferring context: 72B                                                                                                                            0.0s
 => [search 1/3] FROM docker.elastic.co/elasticsearch/elasticsearch:7.9.3@sha256:9116cf5563a6360ed204cd59eb89049d7e2ac9171645dccdb1421b55dbae888b           0.0s
 => CACHED [search 2/3] COPY sources/start-custom.sh /usr/local/bin/start-custom.sh                                                                         0.0s
 => CACHED [search 3/3] RUN chmod +x /usr/local/bin/start-custom.sh                                                                                         0.0s
 => [search] exporting to image                                                                                                                             0.1s
 => => exporting layers                                                                                                                                     0.0s
 => => writing image sha256:17ee5dedb16899d49aa05f358442ce197fc6443fbba10cd3ba9853dff5a4d516                                                                0.0s
 => => naming to docker.io/library/metasfresh-docker-search                                                                                                 0.0s
------                                                                                                                                                           
 > [db 2/3] RUN localedef -i de_DE -c -f UTF-8 -A /usr/share/locale/locale.alias de_DE.UTF-8:
4.322 exec /bin/sh: exec format error
------
failed to solve: process "/bin/sh -c localedef -i de_DE -c -f UTF-8 -A /usr/share/locale/locale.alias de_DE.UTF-8" did not complete successfully: exit code: 1
joman@raspberrypi:~/metasfresh-docker $