Use autoconfig.php provided by the image

.examples/docker-compose/with-nginx-proxy/postgres/apache/app/Dockerfile

@@ -1,3 +0,0 @@
-FROM nextcloud:apache
-
-COPY autoconfig.php /usr/src/nextcloud/config/autoconfig.php

.examples/docker-compose/with-nginx-proxy/postgres/apache/app/autoconfig.php

@@ -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' => '',
-);

.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:

.examples/docker-compose/with-nginx-proxy/postgres/fpm/app/Dockerfile

@@ -1,3 +0,0 @@
-FROM nextcloud:fpm
-
-COPY autoconfig.php /usr/src/nextcloud/config/autoconfig.php

.examples/docker-compose/with-nginx-proxy/postgres/fpm/app/autoconfig.php

@@ -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' => '',
-);

.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: