diff --git a/.examples/docker-compose/insecure/mariadb-cron-redis/apache/app/Dockerfile b/.examples/docker-compose/insecure/mariadb-cron-redis/apache/app/Dockerfile
index 00598dd4..b55fb524 100644
--- a/.examples/docker-compose/insecure/mariadb-cron-redis/apache/app/Dockerfile
+++ b/.examples/docker-compose/insecure/mariadb-cron-redis/apache/app/Dockerfile
@@ -1,5 +1,3 @@
 FROM nextcloud:apache
 
-COPY autoconfig.php /usr/src/nextcloud/config/autoconfig.php
-
 COPY redis.config.php /usr/src/nextcloud/config/redis.config.php
diff --git a/.examples/docker-compose/insecure/mariadb-cron-redis/apache/app/autoconfig.php b/.examples/docker-compose/insecure/mariadb-cron-redis/apache/app/autoconfig.php
deleted file mode 100644
index ea7004e9..00000000
--- a/.examples/docker-compose/insecure/mariadb-cron-redis/apache/app/autoconfig.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-$AUTOCONFIG = array(
-  'directory'     => '/var/www/html/data',
-  'dbtype'        => 'mysql',
-  'dbname'        => getenv('MYSQL_DATABASE'),
-  'dbuser'        => getenv('MYSQL_USER'),
-  'dbpass'        => getenv('MYSQL_PASSWORD'),
-  'dbhost'        => 'db',
-  'dbtableprefix' => '',
-);
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 8b85c4dd..87760d6b 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
@@ -23,6 +23,8 @@ services:
       - 8080:80
     volumes:
       - nextcloud:/var/www/html
+    environment:
+      - MYSQL_HOST=db
     env_file:
       - db.env
     depends_on:
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 f9a41f56..4a111610 100644
--- a/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/app/Dockerfile
+++ b/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/app/Dockerfile
@@ -1,5 +1,3 @@
 FROM nextcloud:fpm
 
-COPY autoconfig.php /usr/src/nextcloud/config/autoconfig.php
-
 COPY redis.config.php /usr/src/nextcloud/config/redis.config.php
diff --git a/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/app/autoconfig.php b/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/app/autoconfig.php
deleted file mode 100644
index ea7004e9..00000000
--- a/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/app/autoconfig.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-$AUTOCONFIG = array(
-  'directory'     => '/var/www/html/data',
-  'dbtype'        => 'mysql',
-  'dbname'        => getenv('MYSQL_DATABASE'),
-  'dbuser'        => getenv('MYSQL_USER'),
-  'dbpass'        => getenv('MYSQL_PASSWORD'),
-  'dbhost'        => 'db',
-  'dbtableprefix' => '',
-);
diff --git a/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/docker-compose.yml b/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/docker-compose.yml
index d595531e..f7b24473 100644
--- a/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/docker-compose.yml
+++ b/.examples/docker-compose/insecure/mariadb-cron-redis/fpm/docker-compose.yml
@@ -21,6 +21,8 @@ services:
     restart: always
     volumes:
       - nextcloud:/var/www/html
+    environment:
+      - MYSQL_HOST=db
     env_file:
       - db.env
     depends_on:
diff --git a/.examples/docker-compose/insecure/mariadb/apache/app/Dockerfile b/.examples/docker-compose/insecure/mariadb/apache/app/Dockerfile
deleted file mode 100644
index 8c03a7c8..00000000
--- a/.examples/docker-compose/insecure/mariadb/apache/app/Dockerfile
+++ /dev/null
@@ -1,3 +0,0 @@
-FROM nextcloud:apache
-
-COPY autoconfig.php /usr/src/nextcloud/config/autoconfig.php
diff --git a/.examples/docker-compose/insecure/mariadb/apache/app/autoconfig.php b/.examples/docker-compose/insecure/mariadb/apache/app/autoconfig.php
deleted file mode 100644
index ea7004e9..00000000
--- a/.examples/docker-compose/insecure/mariadb/apache/app/autoconfig.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-$AUTOCONFIG = array(
-  'directory'     => '/var/www/html/data',
-  'dbtype'        => 'mysql',
-  'dbname'        => getenv('MYSQL_DATABASE'),
-  'dbuser'        => getenv('MYSQL_USER'),
-  'dbpass'        => getenv('MYSQL_PASSWORD'),
-  'dbhost'        => 'db',
-  'dbtableprefix' => '',
-);
diff --git a/.examples/docker-compose/insecure/mariadb/apache/docker-compose.yml b/.examples/docker-compose/insecure/mariadb/apache/docker-compose.yml
index 13a910fa..4ea67755 100644
--- a/.examples/docker-compose/insecure/mariadb/apache/docker-compose.yml
+++ b/.examples/docker-compose/insecure/mariadb/apache/docker-compose.yml
@@ -13,12 +13,14 @@ services:
       - db.env
 
   app:  
-    build: ./app
+    image: nextcloud:apache
     restart: always
     ports:
       - 8080:80
     volumes:
       - nextcloud:/var/www/html
+    environment:
+      - MYSQL_HOST=db
     env_file:
       - db.env
     depends_on:
diff --git a/.examples/docker-compose/insecure/mariadb/fpm/app/Dockerfile b/.examples/docker-compose/insecure/mariadb/fpm/app/Dockerfile
deleted file mode 100644
index d1d1f807..00000000
--- a/.examples/docker-compose/insecure/mariadb/fpm/app/Dockerfile
+++ /dev/null
@@ -1,3 +0,0 @@
-FROM nextcloud:fpm
-
-COPY autoconfig.php /usr/src/nextcloud/config/autoconfig.php
diff --git a/.examples/docker-compose/insecure/mariadb/fpm/app/autoconfig.php b/.examples/docker-compose/insecure/mariadb/fpm/app/autoconfig.php
deleted file mode 100644
index ea7004e9..00000000
--- a/.examples/docker-compose/insecure/mariadb/fpm/app/autoconfig.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-$AUTOCONFIG = array(
-  'directory'     => '/var/www/html/data',
-  'dbtype'        => 'mysql',
-  'dbname'        => getenv('MYSQL_DATABASE'),
-  'dbuser'        => getenv('MYSQL_USER'),
-  'dbpass'        => getenv('MYSQL_PASSWORD'),
-  'dbhost'        => 'db',
-  'dbtableprefix' => '',
-);
diff --git a/.examples/docker-compose/insecure/mariadb/fpm/docker-compose.yml b/.examples/docker-compose/insecure/mariadb/fpm/docker-compose.yml
index e0c4a2ee..dc3a8aaf 100644
--- a/.examples/docker-compose/insecure/mariadb/fpm/docker-compose.yml
+++ b/.examples/docker-compose/insecure/mariadb/fpm/docker-compose.yml
@@ -13,10 +13,12 @@ services:
       - db.env
 
   app:  
-    build: ./app
+    image: nextcloud:fpm
     restart: always
     volumes:
       - nextcloud:/var/www/html
+    environment:
+      - MYSQL_HOST=db
     env_file:
       - db.env
     depends_on:
diff --git a/.examples/docker-compose/insecure/postgres/apache/app/Dockerfile b/.examples/docker-compose/insecure/postgres/apache/app/Dockerfile
deleted file mode 100644
index 8c03a7c8..00000000
--- a/.examples/docker-compose/insecure/postgres/apache/app/Dockerfile
+++ /dev/null
@@ -1,3 +0,0 @@
-FROM nextcloud:apache
-
-COPY autoconfig.php /usr/src/nextcloud/config/autoconfig.php
diff --git a/.examples/docker-compose/insecure/postgres/apache/app/autoconfig.php b/.examples/docker-compose/insecure/postgres/apache/app/autoconfig.php
deleted file mode 100644
index 3ac9f944..00000000
--- a/.examples/docker-compose/insecure/postgres/apache/app/autoconfig.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-$AUTOCONFIG = array(
-  'directory'     => '/var/www/html/data',
-  'dbtype'        => 'pgsql',
-  'dbname'        => getenv('POSTGRES_DB'),
-  'dbuser'        => getenv('POSTGRES_USER'),
-  'dbpass'        => getenv('POSTGRES_PASSWORD'),
-  'dbhost'        => 'db',
-  'dbtableprefix' => '',
-);
diff --git a/.examples/docker-compose/insecure/postgres/apache/docker-compose.yml b/.examples/docker-compose/insecure/postgres/apache/docker-compose.yml
index 3043a59f..8c4e8f4d 100644
--- a/.examples/docker-compose/insecure/postgres/apache/docker-compose.yml
+++ b/.examples/docker-compose/insecure/postgres/apache/docker-compose.yml
@@ -10,12 +10,14 @@ services:
       - db.env
 
   app:  
-    build: ./app
+    image: nextcloud:apache
     restart: always
     ports:
       - 8080:80
     volumes:
       - nextcloud:/var/www/html
+    environment:
+      - POSTGRES_HOST=db
     env_file:
       - db.env
     depends_on:
diff --git a/.examples/docker-compose/insecure/postgres/fpm/app/Dockerfile b/.examples/docker-compose/insecure/postgres/fpm/app/Dockerfile
deleted file mode 100644
index d1d1f807..00000000
--- a/.examples/docker-compose/insecure/postgres/fpm/app/Dockerfile
+++ /dev/null
@@ -1,3 +0,0 @@
-FROM nextcloud:fpm
-
-COPY autoconfig.php /usr/src/nextcloud/config/autoconfig.php
diff --git a/.examples/docker-compose/insecure/postgres/fpm/app/autoconfig.php b/.examples/docker-compose/insecure/postgres/fpm/app/autoconfig.php
deleted file mode 100644
index 3ac9f944..00000000
--- a/.examples/docker-compose/insecure/postgres/fpm/app/autoconfig.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-$AUTOCONFIG = array(
-  'directory'     => '/var/www/html/data',
-  'dbtype'        => 'pgsql',
-  'dbname'        => getenv('POSTGRES_DB'),
-  'dbuser'        => getenv('POSTGRES_USER'),
-  'dbpass'        => getenv('POSTGRES_PASSWORD'),
-  'dbhost'        => 'db',
-  'dbtableprefix' => '',
-);
diff --git a/.examples/docker-compose/insecure/postgres/fpm/docker-compose.yml b/.examples/docker-compose/insecure/postgres/fpm/docker-compose.yml
index 4df0a790..a64bfd5f 100644
--- a/.examples/docker-compose/insecure/postgres/fpm/docker-compose.yml
+++ b/.examples/docker-compose/insecure/postgres/fpm/docker-compose.yml
@@ -10,10 +10,12 @@ services:
       - db.env
 
   app:  
-    build: ./app
+    image: nextcloud:fpm
     restart: always
     volumes:
       - nextcloud:/var/www/html
+    environment:
+      - POSTGRES_HOST=db
     env_file:
       - db.env
     depends_on:
diff --git a/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/apache/app/Dockerfile b/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/apache/app/Dockerfile
index 00598dd4..b55fb524 100644
--- a/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/apache/app/Dockerfile
+++ b/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/apache/app/Dockerfile
@@ -1,5 +1,3 @@
 FROM nextcloud:apache
 
-COPY autoconfig.php /usr/src/nextcloud/config/autoconfig.php
-
 COPY redis.config.php /usr/src/nextcloud/config/redis.config.php
diff --git a/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/apache/app/autoconfig.php b/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/apache/app/autoconfig.php
deleted file mode 100644
index ea7004e9..00000000
--- a/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/apache/app/autoconfig.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-$AUTOCONFIG = array(
-  'directory'     => '/var/www/html/data',
-  'dbtype'        => 'mysql',
-  'dbname'        => getenv('MYSQL_DATABASE'),
-  'dbuser'        => getenv('MYSQL_USER'),
-  'dbpass'        => getenv('MYSQL_PASSWORD'),
-  'dbhost'        => 'db',
-  'dbtableprefix' => '',
-);
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 80e32998..e01be64e 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
@@ -25,6 +25,8 @@ services:
       - VIRTUAL_HOST=
       - LETSENCRYPT_HOST=
       - LETSENCRYPT_EMAIL=
+    environment:
+      - MYSQL_HOST=db
     env_file:
       - db.env
     depends_on:
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 f9a41f56..4a111610 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
@@ -1,5 +1,3 @@
 FROM nextcloud:fpm
 
-COPY autoconfig.php /usr/src/nextcloud/config/autoconfig.php
-
 COPY redis.config.php /usr/src/nextcloud/config/redis.config.php
diff --git a/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/app/autoconfig.php b/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/app/autoconfig.php
deleted file mode 100644
index ea7004e9..00000000
--- a/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/app/autoconfig.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-$AUTOCONFIG = array(
-  'directory'     => '/var/www/html/data',
-  'dbtype'        => 'mysql',
-  'dbname'        => getenv('MYSQL_DATABASE'),
-  'dbuser'        => getenv('MYSQL_USER'),
-  'dbpass'        => getenv('MYSQL_PASSWORD'),
-  'dbhost'        => 'db',
-  'dbtableprefix' => '',
-);
diff --git a/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/docker-compose.yml b/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/docker-compose.yml
index e1c3a17e..8ed230ab 100644
--- a/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/docker-compose.yml
+++ b/.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/docker-compose.yml
@@ -21,6 +21,8 @@ services:
     restart: always
     volumes:
       - nextcloud:/var/www/html
+    environment:
+      - MYSQL_HOST=db
     env_file:
       - db.env
     depends_on:
diff --git a/.examples/docker-compose/with-nginx-proxy/mariadb/apache/app/Dockerfile b/.examples/docker-compose/with-nginx-proxy/mariadb/apache/app/Dockerfile
deleted file mode 100644
index 8c03a7c8..00000000
--- a/.examples/docker-compose/with-nginx-proxy/mariadb/apache/app/Dockerfile
+++ /dev/null
@@ -1,3 +0,0 @@
-FROM nextcloud:apache
-
-COPY autoconfig.php /usr/src/nextcloud/config/autoconfig.php
diff --git a/.examples/docker-compose/with-nginx-proxy/mariadb/apache/app/autoconfig.php b/.examples/docker-compose/with-nginx-proxy/mariadb/apache/app/autoconfig.php
deleted file mode 100644
index ea7004e9..00000000
--- a/.examples/docker-compose/with-nginx-proxy/mariadb/apache/app/autoconfig.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-$AUTOCONFIG = array(
-  'directory'     => '/var/www/html/data',
-  'dbtype'        => 'mysql',
-  'dbname'        => getenv('MYSQL_DATABASE'),
-  'dbuser'        => getenv('MYSQL_USER'),
-  'dbpass'        => getenv('MYSQL_PASSWORD'),
-  'dbhost'        => 'db',
-  'dbtableprefix' => '',
-);
diff --git a/.examples/docker-compose/with-nginx-proxy/mariadb/apache/docker-compose.yml b/.examples/docker-compose/with-nginx-proxy/mariadb/apache/docker-compose.yml
index 264a9edb..8617cf50 100644
--- a/.examples/docker-compose/with-nginx-proxy/mariadb/apache/docker-compose.yml
+++ b/.examples/docker-compose/with-nginx-proxy/mariadb/apache/docker-compose.yml
@@ -13,7 +13,7 @@ services:
       - db.env
 
   app:  
-    build: ./app
+    image: nextcloud:apache
     restart: always
     volumes:
       - nextcloud:/var/www/html
@@ -21,6 +21,8 @@ services:
       - VIRTUAL_HOST=
       - LETSENCRYPT_HOST=
       - LETSENCRYPT_EMAIL=
+    environment:
+      - MYSQL_HOST=db
     env_file:
       - db.env
     depends_on:
diff --git a/.examples/docker-compose/with-nginx-proxy/mariadb/fpm/app/Dockerfile b/.examples/docker-compose/with-nginx-proxy/mariadb/fpm/app/Dockerfile
deleted file mode 100644
index d1d1f807..00000000
--- a/.examples/docker-compose/with-nginx-proxy/mariadb/fpm/app/Dockerfile
+++ /dev/null
@@ -1,3 +0,0 @@
-FROM nextcloud:fpm
-
-COPY autoconfig.php /usr/src/nextcloud/config/autoconfig.php
diff --git a/.examples/docker-compose/with-nginx-proxy/mariadb/fpm/app/autoconfig.php b/.examples/docker-compose/with-nginx-proxy/mariadb/fpm/app/autoconfig.php
deleted file mode 100644
index ea7004e9..00000000
--- a/.examples/docker-compose/with-nginx-proxy/mariadb/fpm/app/autoconfig.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-$AUTOCONFIG = array(
-  'directory'     => '/var/www/html/data',
-  'dbtype'        => 'mysql',
-  'dbname'        => getenv('MYSQL_DATABASE'),
-  'dbuser'        => getenv('MYSQL_USER'),
-  'dbpass'        => getenv('MYSQL_PASSWORD'),
-  'dbhost'        => 'db',
-  'dbtableprefix' => '',
-);
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 35cdd33a..7417a665 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
@@ -13,10 +13,12 @@ services:
       - db.env
 
   app:  
-    build: ./app
+    image: nextcloud:fpm
     restart: always
     volumes:
       - nextcloud:/var/www/html
+    environment:
+      - MYSQL_HOST=db
     env_file:
       - db.env
     depends_on:
diff --git a/.examples/docker-compose/with-nginx-proxy/postgres/apache/app/Dockerfile b/.examples/docker-compose/with-nginx-proxy/postgres/apache/app/Dockerfile
deleted file mode 100644
index 8c03a7c8..00000000
--- a/.examples/docker-compose/with-nginx-proxy/postgres/apache/app/Dockerfile
+++ /dev/null
@@ -1,3 +0,0 @@
-FROM nextcloud:apache
-
-COPY autoconfig.php /usr/src/nextcloud/config/autoconfig.php
diff --git a/.examples/docker-compose/with-nginx-proxy/postgres/apache/app/autoconfig.php b/.examples/docker-compose/with-nginx-proxy/postgres/apache/app/autoconfig.php
deleted file mode 100644
index 3ac9f944..00000000
--- a/.examples/docker-compose/with-nginx-proxy/postgres/apache/app/autoconfig.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-$AUTOCONFIG = array(
-  'directory'     => '/var/www/html/data',
-  'dbtype'        => 'pgsql',
-  'dbname'        => getenv('POSTGRES_DB'),
-  'dbuser'        => getenv('POSTGRES_USER'),
-  'dbpass'        => getenv('POSTGRES_PASSWORD'),
-  'dbhost'        => 'db',
-  'dbtableprefix' => '',
-);
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 c1a992da..f2b37cf2 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
@@ -10,7 +10,7 @@ services:
       - db.env
 
   app:  
-    build: ./app
+    image: nextcloud:apache
     restart: always
     volumes:
       - nextcloud:/var/www/html
@@ -18,6 +18,8 @@ services:
       - VIRTUAL_HOST=
       - LETSENCRYPT_HOST=
       - LETSENCRYPT_EMAIL=
+    environment:
+      - POSTGRES_HOST=db
     env_file:
       - db.env
     depends_on:
diff --git a/.examples/docker-compose/with-nginx-proxy/postgres/fpm/app/Dockerfile b/.examples/docker-compose/with-nginx-proxy/postgres/fpm/app/Dockerfile
deleted file mode 100644
index d1d1f807..00000000
--- a/.examples/docker-compose/with-nginx-proxy/postgres/fpm/app/Dockerfile
+++ /dev/null
@@ -1,3 +0,0 @@
-FROM nextcloud:fpm
-
-COPY autoconfig.php /usr/src/nextcloud/config/autoconfig.php
diff --git a/.examples/docker-compose/with-nginx-proxy/postgres/fpm/app/autoconfig.php b/.examples/docker-compose/with-nginx-proxy/postgres/fpm/app/autoconfig.php
deleted file mode 100644
index 3ac9f944..00000000
--- a/.examples/docker-compose/with-nginx-proxy/postgres/fpm/app/autoconfig.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-$AUTOCONFIG = array(
-  'directory'     => '/var/www/html/data',
-  'dbtype'        => 'pgsql',
-  'dbname'        => getenv('POSTGRES_DB'),
-  'dbuser'        => getenv('POSTGRES_USER'),
-  'dbpass'        => getenv('POSTGRES_PASSWORD'),
-  'dbhost'        => 'db',
-  'dbtableprefix' => '',
-);
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 117f8e7b..d929502b 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
@@ -10,10 +10,12 @@ services:
       - db.env
 
   app:  
-    build: ./app
+    image: nextcloud:fpm
     restart: always
     volumes:
       - nextcloud:/var/www/html
+    environment:
+      - POSTGRES_HOST=db
     env_file:
       - db.env
     depends_on: