diff --git a/docker-compose.yml b/docker-compose.yml
index a62ffe765e4481265720849697699fc49dab5a5b..71ac8d8d768e0f52b2d45c0ad5ef9761cbcf3db4 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,5 +1,3 @@
-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