diff --git a/Dockerfile b/Dockerfile
index 1f3a6bea..5e409c0b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
-FROM composer:2.8.3 AS composer
+FROM docker.io/composer:2.8.3 AS composer
 
 
-FROM php:8.2-cli AS builder
+FROM docker.io/php:8.2-cli AS builder
 
 RUN apt-get update && \
     apt-get install -y libzip-dev nodejs npm zip
@@ -19,7 +19,7 @@ RUN composer install --no-scripts && \
     bin/console assets:install
 
 
-FROM php:8.2-apache-bookworm
+FROM docker.io/php:8.2-apache-bookworm
 
 RUN apt-get update && \
     apt-get install -y libpng-dev libsodium-dev libsqlite3-dev libzip-dev zlib1g-dev zip
diff --git a/contrib/checkpasswd.lua b/contrib/dovecot/userli.lua
similarity index 100%
rename from contrib/checkpasswd.lua
rename to contrib/dovecot/userli.lua
diff --git a/docker-compose.yml b/docker-compose.yml
index 63d5bd2a..37bd6eb1 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -10,7 +10,7 @@ services:
       - userli
 
   mariadb:
-    image: mariadb:10.11
+    image: docker.io/mariadb:10.11
     environment:
       MYSQL_USER: mail
       MYSQL_PASSWORD: password