Remove app dockerfile

Signed-off-by: Tilo Spannagel <development@tilosp.de>

.examples/docker-compose/insecure/mariadb-cron-redis/apache/app/Dockerfile

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

.examples/docker-compose/insecure/mariadb-cron-redis/apache/docker-compose.yml

@@ -17,7 +17,7 @@ services:
     restart: always
 
   app:
-    build: ./app
+    image: nextcloud:apache
     restart: always
     ports:
       - 8080:80
@@ -33,7 +33,7 @@ services:
       - redis
 
   cron:
-    build: ./app
+    image: nextcloud:apache
     restart: always
     volumes:
       - nextcloud:/var/www/html

.examples/docker-compose/insecure/mariadb-cron-redis/fpm/app/Dockerfile

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

.examples/docker-compose/insecure/mariadb-cron-redis/fpm/docker-compose.yml

@@ -17,7 +17,7 @@ services:
     restart: always
 
   app:
-    build: ./app
+    image: nextcloud:fpm-alpine
     restart: always
     volumes:
       - nextcloud:/var/www/html
@@ -41,7 +41,7 @@ services:
       - app
 
   cron:
-    build: ./app
+    image: nextcloud:fpm-alpine
     restart: always
     volumes:
       - nextcloud:/var/www/html

.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/apache/app/Dockerfile

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

.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/apache/docker-compose.yml

@@ -17,7 +17,7 @@ services:
     restart: always
 
   app:
-    build: ./app
+    image: nextcloud:apache
     restart: always
     volumes:
       - nextcloud:/var/www/html
@@ -37,7 +37,7 @@ services:
       - default
 
   cron:
-    build: ./app
+    image: nextcloud:apache
     restart: always
     volumes:
       - nextcloud:/var/www/html

.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/app/Dockerfile

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

.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/docker-compose.yml

@@ -17,7 +17,7 @@ services:
     restart: always
 
   app:
-    build: ./app
+    image: nextcloud:fpm-alpine
     restart: always
     volumes:
       - nextcloud:/var/www/html
@@ -46,7 +46,7 @@ services:
       - default
 
   cron:
-    build: ./app
+    image: nextcloud:fpm-alpine
     restart: always
     volumes:
       - nextcloud:/var/www/html