replace build image with bind mount

Signed-off-by: SebastianRzk <github@sebastianruziczka.de>

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

@@ -33,10 +33,11 @@ services:
       - redis
 
   web:
-    build: ./web
+    image: nginx:alpine
     restart: always
     volumes:
       - nextcloud:/var/www/html:z,ro
+      - ./nginx.conf:/etc/nginx/nginx.conf
     environment:
       - VIRTUAL_HOST=
       - LETSENCRYPT_HOST=

.examples/docker-compose/with-nginx-proxy/mariadb/fpm/web/Dockerfile

@@ -1,3 +0,0 @@
-FROM nginx:alpine
-
-COPY nginx.conf /etc/nginx/nginx.conf