diff --git a/apps/apt-cacher-ng/Dockerfile b/apps/apt-cacher-ng/Containerfile
similarity index 100%
rename from apps/apt-cacher-ng/Dockerfile
rename to apps/apt-cacher-ng/Containerfile
diff --git a/apps/curl/Dockerfile b/apps/curl/Containerfile
similarity index 100%
rename from apps/curl/Dockerfile
rename to apps/curl/Containerfile
diff --git a/apps/distcc/Dockerfile b/apps/distcc/Containerfile
similarity index 100%
rename from apps/distcc/Dockerfile
rename to apps/distcc/Containerfile
diff --git a/apps/mariadb/docker-mariadb-prometheus/Dockerfile b/apps/mariadb/docker-mariadb-prometheus/Containerfile
similarity index 100%
rename from apps/mariadb/docker-mariadb-prometheus/Dockerfile
rename to apps/mariadb/docker-mariadb-prometheus/Containerfile
diff --git a/apps/mariadb/docker-mariadb/Dockerfile b/apps/mariadb/docker-mariadb/Containerfile
similarity index 100%
rename from apps/mariadb/docker-mariadb/Dockerfile
rename to apps/mariadb/docker-mariadb/Containerfile
diff --git a/apps/mosquitto/Dockerfile b/apps/mosquitto/Containerfile
similarity index 95%
rename from apps/mosquitto/Dockerfile
rename to apps/mosquitto/Containerfile
index dd616a1..300e15b 100644
--- a/apps/mosquitto/Dockerfile
+++ b/apps/mosquitto/Containerfile
@@ -1,4 +1,4 @@
-FROM debian:buster-slim
+FROM debian:stable-slim
 
 #RUN echo 'Acquire::http::proxy "http://172.23.255.1:3142";' >/etc/apt/apt.conf.d/proxy
 RUN apt-get update && \
diff --git a/apps/smarthome/Dockerfile b/apps/smarthome/Containerfile
similarity index 100%
rename from apps/smarthome/Dockerfile
rename to apps/smarthome/Containerfile
diff --git a/apps/smarthome/socat/Dockerfile b/apps/smarthome/socat/Containerfile
similarity index 100%
rename from apps/smarthome/socat/Dockerfile
rename to apps/smarthome/socat/Containerfile
diff --git a/apps/web/grav/Dockerfile b/apps/web/grav/Containerfile
similarity index 100%
rename from apps/web/grav/Dockerfile
rename to apps/web/grav/Containerfile
diff --git a/apps/web/piwigo/Dockerfile b/apps/web/piwigo/Containerfile
similarity index 100%
rename from apps/web/piwigo/Dockerfile
rename to apps/web/piwigo/Containerfile
diff --git a/apps/web/rompr/Dockerfile b/apps/web/rompr/Containerfile
similarity index 100%
rename from apps/web/rompr/Dockerfile
rename to apps/web/rompr/Containerfile