diff --git a/.examples/docker-compose/insecure/mariadb-cron-redis/apache/docker-compose.yml b/.examples/docker-compose/insecure/mariadb-cron-redis/apache/docker-compose.yml
index 2dc06e1..64c0570 100644
--- a/.examples/docker-compose/insecure/mariadb-cron-redis/apache/docker-compose.yml
+++ b/.examples/docker-compose/insecure/mariadb-cron-redis/apache/docker-compose.yml
@@ -13,7 +13,7 @@ services:
       - db.env
 
   redis:
-    image: redis
+    image: redis:alpine
     restart: always
 
   app:
diff --git a/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/app/Dockerfile b/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/app/Dockerfile
index 4a11161..0436d37 100644
--- a/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/app/Dockerfile
+++ b/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/app/Dockerfile
@@ -1,3 +1,3 @@
-FROM nextcloud:fpm
+FROM nextcloud:fpm-alpine
 
 COPY redis.config.php /usr/src/nextcloud/config/redis.config.php
diff --git a/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/docker-compose.yml b/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/docker-compose.yml
index 49fafab..424ef05 100644
--- a/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/docker-compose.yml
+++ b/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/docker-compose.yml
@@ -13,7 +13,7 @@ services:
       - db.env
 
   redis:
-    image: redis
+    image: redis:alpine
     restart: always
 
   app:
diff --git a/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/web/Dockerfile b/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/web/Dockerfile
index d6eac3e..9e620af 100644
--- a/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/web/Dockerfile
+++ b/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/web/Dockerfile
@@ -1,3 +1,3 @@
-FROM nginx
+FROM nginx:alpine
 
 COPY nginx.conf /etc/nginx/nginx.conf
diff --git a/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/web/nginx.conf b/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/web/nginx.conf
index 2d14e23..49a19c3 100644
--- a/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/web/nginx.conf
+++ b/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/web/nginx.conf
@@ -1,4 +1,3 @@
-user  www-data;
 worker_processes  1;
 
 error_log  /var/log/nginx/error.log warn;
diff --git a/.examples/docker-compose/insecure/mariadb/fpm/docker-compose.yml b/.examples/docker-compose/insecure/mariadb/fpm/docker-compose.yml
index 3596e98..eb91bbd 100644
--- a/.examples/docker-compose/insecure/mariadb/fpm/docker-compose.yml
+++ b/.examples/docker-compose/insecure/mariadb/fpm/docker-compose.yml
@@ -13,7 +13,7 @@ services:
       - db.env
 
   app:
-    image: nextcloud:fpm
+    image: nextcloud:fpm-alpine
     restart: always
     volumes:
       - nextcloud:/var/www/html
diff --git a/.examples/docker-compose/insecure/mariadb/fpm/web/Dockerfile b/.examples/docker-compose/insecure/mariadb/fpm/web/Dockerfile
index d6eac3e..9e620af 100644
--- a/.examples/docker-compose/insecure/mariadb/fpm/web/Dockerfile
+++ b/.examples/docker-compose/insecure/mariadb/fpm/web/Dockerfile
@@ -1,3 +1,3 @@
-FROM nginx
+FROM nginx:alpine
 
 COPY nginx.conf /etc/nginx/nginx.conf
diff --git a/.examples/docker-compose/insecure/mariadb/fpm/web/nginx.conf b/.examples/docker-compose/insecure/mariadb/fpm/web/nginx.conf
index 2d14e23..49a19c3 100644
--- a/.examples/docker-compose/insecure/mariadb/fpm/web/nginx.conf
+++ b/.examples/docker-compose/insecure/mariadb/fpm/web/nginx.conf
@@ -1,4 +1,3 @@
-user  www-data;
 worker_processes  1;
 
 error_log  /var/log/nginx/error.log warn;
diff --git a/.examples/docker-compose/insecure/postgres/apache/docker-compose.yml b/.examples/docker-compose/insecure/postgres/apache/docker-compose.yml
index f69bb72..596568d 100644
--- a/.examples/docker-compose/insecure/postgres/apache/docker-compose.yml
+++ b/.examples/docker-compose/insecure/postgres/apache/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3'
 
 services:
   db:
-    image: postgres
+    image: postgres:alpine
     restart: always
     volumes:
       - db:/var/lib/postgresql/data
diff --git a/.examples/docker-compose/insecure/postgres/fpm/docker-compose.yml b/.examples/docker-compose/insecure/postgres/fpm/docker-compose.yml
index 7a1fab7..b1ff459 100644
--- a/.examples/docker-compose/insecure/postgres/fpm/docker-compose.yml
+++ b/.examples/docker-compose/insecure/postgres/fpm/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3'
 
 services:
   db:
-    image: postgres
+    image: postgres:alpine
     restart: always
     volumes:
       - db:/var/lib/postgresql/data
@@ -10,7 +10,7 @@ services:
       - db.env
 
   app:
-    image: nextcloud:fpm
+    image: nextcloud:fpm-alpine
     restart: always
     volumes:
       - nextcloud:/var/www/html
diff --git a/.examples/docker-compose/insecure/postgres/fpm/web/Dockerfile b/.examples/docker-compose/insecure/postgres/fpm/web/Dockerfile
index d6eac3e..9e620af 100644
--- a/.examples/docker-compose/insecure/postgres/fpm/web/Dockerfile
+++ b/.examples/docker-compose/insecure/postgres/fpm/web/Dockerfile
@@ -1,3 +1,3 @@
-FROM nginx
+FROM nginx:alpine
 
 COPY nginx.conf /etc/nginx/nginx.conf
diff --git a/.examples/docker-compose/insecure/postgres/fpm/web/nginx.conf b/.examples/docker-compose/insecure/postgres/fpm/web/nginx.conf
index 2d14e23..49a19c3 100644
--- a/.examples/docker-compose/insecure/postgres/fpm/web/nginx.conf
+++ b/.examples/docker-compose/insecure/postgres/fpm/web/nginx.conf
@@ -1,4 +1,3 @@
-user  www-data;
 worker_processes  1;
 
 error_log  /var/log/nginx/error.log warn;
diff --git a/.examples/docker-compose/with-nginx-proxy-self-signed-ssl/mariadb/fpm/docker-compose.yml b/.examples/docker-compose/with-nginx-proxy-self-signed-ssl/mariadb/fpm/docker-compose.yml
index 6d1e70a..3d60f7e 100644
--- a/.examples/docker-compose/with-nginx-proxy-self-signed-ssl/mariadb/fpm/docker-compose.yml
+++ b/.examples/docker-compose/with-nginx-proxy-self-signed-ssl/mariadb/fpm/docker-compose.yml
@@ -13,7 +13,7 @@ services:
       - db.env
 
   app:
-    image: nextcloud:fpm
+    image: nextcloud:fpm-alpine
     restart: always
     volumes:
       - nextcloud:/var/www/html
diff --git a/.examples/docker-compose/with-nginx-proxy-self-signed-ssl/mariadb/fpm/web/Dockerfile b/.examples/docker-compose/with-nginx-proxy-self-signed-ssl/mariadb/fpm/web/Dockerfile
index d6eac3e..9e620af 100644
--- a/.examples/docker-compose/with-nginx-proxy-self-signed-ssl/mariadb/fpm/web/Dockerfile
+++ b/.examples/docker-compose/with-nginx-proxy-self-signed-ssl/mariadb/fpm/web/Dockerfile
@@ -1,3 +1,3 @@
-FROM nginx
+FROM nginx:alpine
 
 COPY nginx.conf /etc/nginx/nginx.conf
diff --git a/.examples/docker-compose/with-nginx-proxy-self-signed-ssl/mariadb/fpm/web/nginx.conf b/.examples/docker-compose/with-nginx-proxy-self-signed-ssl/mariadb/fpm/web/nginx.conf
index 518f104..2666064 100644
--- a/.examples/docker-compose/with-nginx-proxy-self-signed-ssl/mariadb/fpm/web/nginx.conf
+++ b/.examples/docker-compose/with-nginx-proxy-self-signed-ssl/mariadb/fpm/web/nginx.conf
@@ -1,4 +1,3 @@
-user  www-data;
 worker_processes  1;
 
 error_log  /var/log/nginx/error.log warn;
diff --git a/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/apache/docker-compose.yml b/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/apache/docker-compose.yml
index b6ca391..aaec5a2 100644
--- a/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/apache/docker-compose.yml
+++ b/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/apache/docker-compose.yml
@@ -13,7 +13,7 @@ services:
       - db.env
 
   redis:
-    image: redis
+    image: redis:alpine
     restart: always
 
   app:
diff --git a/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/app/Dockerfile b/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/app/Dockerfile
index 4a11161..0436d37 100644
--- a/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/app/Dockerfile
+++ b/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/app/Dockerfile
@@ -1,3 +1,3 @@
-FROM nextcloud:fpm
+FROM nextcloud:fpm-alpine
 
 COPY redis.config.php /usr/src/nextcloud/config/redis.config.php
diff --git a/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/docker-compose.yml b/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/docker-compose.yml
index dd98915..30aee4d 100644
--- a/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/docker-compose.yml
+++ b/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/docker-compose.yml
@@ -13,7 +13,7 @@ services:
       - db.env
 
   redis:
-    image: redis
+    image: redis:alpine
     restart: always
 
   app:
diff --git a/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/web/Dockerfile b/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/web/Dockerfile
index d6eac3e..9e620af 100644
--- a/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/web/Dockerfile
+++ b/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/web/Dockerfile
@@ -1,3 +1,3 @@
-FROM nginx
+FROM nginx:alpine
 
 COPY nginx.conf /etc/nginx/nginx.conf
diff --git a/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/web/nginx.conf b/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/web/nginx.conf
index 518f104..2666064 100644
--- a/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/web/nginx.conf
+++ b/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/web/nginx.conf
@@ -1,4 +1,3 @@
-user  www-data;
 worker_processes  1;
 
 error_log  /var/log/nginx/error.log warn;
diff --git a/.examples/docker-compose/with-nginx-proxy/mariadb/fpm/docker-compose.yml b/.examples/docker-compose/with-nginx-proxy/mariadb/fpm/docker-compose.yml
index 17a656d..5fc70af 100644
--- a/.examples/docker-compose/with-nginx-proxy/mariadb/fpm/docker-compose.yml
+++ b/.examples/docker-compose/with-nginx-proxy/mariadb/fpm/docker-compose.yml
@@ -13,7 +13,7 @@ services:
       - db.env
 
   app:
-    image: nextcloud:fpm
+    image: nextcloud:fpm-alpine
     restart: always
     volumes:
       - nextcloud:/var/www/html
diff --git a/.examples/docker-compose/with-nginx-proxy/mariadb/fpm/web/Dockerfile b/.examples/docker-compose/with-nginx-proxy/mariadb/fpm/web/Dockerfile
index d6eac3e..9e620af 100644
--- a/.examples/docker-compose/with-nginx-proxy/mariadb/fpm/web/Dockerfile
+++ b/.examples/docker-compose/with-nginx-proxy/mariadb/fpm/web/Dockerfile
@@ -1,3 +1,3 @@
-FROM nginx
+FROM nginx:alpine
 
 COPY nginx.conf /etc/nginx/nginx.conf
diff --git a/.examples/docker-compose/with-nginx-proxy/mariadb/fpm/web/nginx.conf b/.examples/docker-compose/with-nginx-proxy/mariadb/fpm/web/nginx.conf
index 518f104..2666064 100644
--- a/.examples/docker-compose/with-nginx-proxy/mariadb/fpm/web/nginx.conf
+++ b/.examples/docker-compose/with-nginx-proxy/mariadb/fpm/web/nginx.conf
@@ -1,4 +1,3 @@
-user  www-data;
 worker_processes  1;
 
 error_log  /var/log/nginx/error.log warn;
diff --git a/.examples/docker-compose/with-nginx-proxy/postgres/apache/docker-compose.yml b/.examples/docker-compose/with-nginx-proxy/postgres/apache/docker-compose.yml
index a2bda83..2e40e8d 100644
--- a/.examples/docker-compose/with-nginx-proxy/postgres/apache/docker-compose.yml
+++ b/.examples/docker-compose/with-nginx-proxy/postgres/apache/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3'
 
 services:
   db:
-    image: postgres
+    image: postgres:alpine
     restart: always
     volumes:
       - db:/var/lib/postgresql/data
diff --git a/.examples/docker-compose/with-nginx-proxy/postgres/fpm/docker-compose.yml b/.examples/docker-compose/with-nginx-proxy/postgres/fpm/docker-compose.yml
index 9bed121..39e85f7 100644
--- a/.examples/docker-compose/with-nginx-proxy/postgres/fpm/docker-compose.yml
+++ b/.examples/docker-compose/with-nginx-proxy/postgres/fpm/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3'
 
 services:
   db:
-    image: postgres
+    image: postgres:alpine
     restart: always
     volumes:
       - db:/var/lib/postgresql/data
@@ -10,7 +10,7 @@ services:
       - db.env
 
   app:
-    image: nextcloud:fpm
+    image: nextcloud:fpm-alpine
     restart: always
     volumes:
       - nextcloud:/var/www/html
diff --git a/.examples/docker-compose/with-nginx-proxy/postgres/fpm/web/Dockerfile b/.examples/docker-compose/with-nginx-proxy/postgres/fpm/web/Dockerfile
index d6eac3e..9e620af 100644
--- a/.examples/docker-compose/with-nginx-proxy/postgres/fpm/web/Dockerfile
+++ b/.examples/docker-compose/with-nginx-proxy/postgres/fpm/web/Dockerfile
@@ -1,3 +1,3 @@
-FROM nginx
+FROM nginx:alpine
 
 COPY nginx.conf /etc/nginx/nginx.conf
diff --git a/.examples/docker-compose/with-nginx-proxy/postgres/fpm/web/nginx.conf b/.examples/docker-compose/with-nginx-proxy/postgres/fpm/web/nginx.conf
index 518f104..2666064 100644
--- a/.examples/docker-compose/with-nginx-proxy/postgres/fpm/web/nginx.conf
+++ b/.examples/docker-compose/with-nginx-proxy/postgres/fpm/web/nginx.conf
@@ -1,4 +1,3 @@
-user  www-data;
 worker_processes  1;
 
 error_log  /var/log/nginx/error.log warn;