chore(*): fix default s3 user credentials

docker-compose.yml

-version: '3'
-
 services:
   server:
     build:
@@ -32,8 +30,8 @@ services:
       # - MAILER_USER=${MAILER_USER}
       # - MAILER_PASSWORD=${MAILER_PASSWORD}
       - S3_URL=${S3_URL:-http://filehosting:9000}
-      - S3_ACCESS_KEY_ID=${S3_ACCESS_KEY_ID:-nonRootUser}
-      - S3_SECRET_ACCESS_KEY=${S3_SECRET_ACCESS_KEY:-nonRootPassword}
+      - S3_ACCESS_KEY_ID=${S3_ACCESS_KEY_ID:-cokoServerUser}
+      - S3_SECRET_ACCESS_KEY=${S3_SECRET_ACCESS_KEY:-superSecretUserPassword}
       - S3_BUCKET=${S3_BUCKET:-uploads}
       # - MAXIMUM_WIDTH_FOR_MEDIUM_IMAGES=100
       # - S3_SEPARATE_DELETE_OPERATIONS=true