Add some examples on how to use this image

examples/Dockerfile.cron

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+FROM nextcloud:fpm
+
+RUN apt-get update && apt-get install -y \
+  supervisor \
+  cron \
+  && rm -rf /var/lib/apt/lists/*
+
+RUN mkdir /var/log/supervisord /var/run/supervisord && \ 
+  echo "*/15 * * * * su - www-data -s /bin/bash -c \"php -f /var/www/html/cron.php\""| crontab -
+
+COPY supervisord.conf /etc/supervisor/supervisord.conf
+
+CMD ["/usr/bin/supervisord"]

examples/Dockerfile.imap

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+FROM nextcloud:apache
+RUN apt-get update \
+ && apt-get install -y libc-client-dev libkrb5-dev \
+ && rm -rf /var/lib/apt/lists/* \
+ && docker-php-ext-configure imap --with-kerberos --with-imap-ssl \
+ && docker-php-ext-install imap

examples/Dockerfile.smb

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+FROM nextcloud:apache
+RUN apt-get update && apt-get install -y smbclient && rm -rf /var/lib/apt/lists/*

examples/docker-compose.yml

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+version: '2'
+services:
+  proxy:
+    image: jwilder/nginx-proxy
+    container_name: proxy
+    ports:
+      - 80:80
+      - 443:443
+    volumes:
+      - ./proxy/conf.d:/etc/nginx/conf.d
+      - ./proxy/vhost.d:/etc/nginx/vhost.d
+      - ./proxy/html:/usr/share/nginx/html
+      - ./proxy/certs:/etc/nginx/certs:ro
+      - /var/run/docker.sock:/tmp/docker.sock:ro
+    networks:
+      - proxy-tier
+    restart: always
+
+  letsencrypt-companion:
+    image: alastaircoote/docker-letsencrypt-nginx-proxy-companion
+    container_name: letsencrypt-companion
+    volumes_from:
+      - proxy
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock:ro
+      - ./proxy/certs:/etc/nginx/certs:rw
+    restart: always
+
+  web:
+    image: nginx
+    container_name: nextcloud_webserver
+    volumes:
+      - ./nginx.conf:/etc/nginx/nginx.conf:ro
+    links:
+      - app
+      - collabora
+    volumes_from:
+      - app
+    environment:
+      - VIRTUAL_HOST=${DOMAIN}
+      - VIRTUAL_NETWORK=nginx-proxy
+      - VIRTUAL_PORT=80
+      - LETSENCRYPT_HOST=${DOMAIN}
+      - LETSENCRYPT_EMAIL=
+    networks:
+      - proxy-tier
+    restart: always
+
+  app:
+    image: nextcloud:fpm
+    container_name: nextcloud_fpm
+    links:
+      - db
+    volumes:
+      - ./nextcloud/apps:/var/www/html/apps
+      - ./nextcloud/config:/var/www/html/config
+      - ./nextcloud/data:/var/www/html/data
+    networks:
+      - proxy-tier
+    restart: always
+
+  db:
+    image: mariadb
+    container_name: db
+    volumes:
+      - ./nextcloud/db:/var/lib/mysql
+    environment:
+      - MYSQL_ROOT_PASSWORD=
+      - MYSQL_DATABASE=nextcloud
+      - MYSQL_USER=nextcloud
+      - MYSQL_PASSWORD=
+    networks:
+      - proxy-tier
+    restart: always
+
+  redis:
+    image: redis
+    container_name: redis
+    networks:
+      - proxy-tier
+    restart: always
+
+  collabora:
+    image: collabora/code
+    container_name: collabora
+    cap_add:
+      - MKNOD
+    environment:
+      - domain=${DOMAIN}
+    networks:
+      - proxy-tier
+    restart: always
+
+networks:
+  proxy-tier:
+    external:
+      name: nginx-proxy

examples/nginx.conf

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+user www-data;
+
+events {
+  worker_connections 768;
+}
+
+http {
+  upstream backend {
+      server app:9000;
+  }
+  upstream collabora {
+      server collabora:9980;
+  }
+  include /etc/nginx/mime.types;
+  default_type application/octet-stream;
+
+  server {
+    listen 80;
+    
+    # Add headers to serve security related headers
+    add_header Strict-Transport-Security "max-age=15768000; includeSubDomains; preload;";
+    add_header X-Content-Type-Options nosniff;
+    add_header X-Frame-Options "SAMEORIGIN";
+    add_header X-XSS-Protection "1; mode=block";
+    add_header X-Robots-Tag none;
+    add_header X-Download-Options noopen;
+    add_header X-Permitted-Cross-Domain-Policies none;
+
+    root /var/www/html;
+    client_max_body_size 10G; # 0=unlimited - set max upload size
+    fastcgi_buffers 64 4K;
+
+    gzip off;
+
+    index index.php;
+    error_page 403 /core/templates/403.php;
+    error_page 404 /core/templates/404.php;
+
+    rewrite ^/.well-known/carddav /remote.php/dav/ permanent;
+    rewrite ^/.well-known/caldav /remote.php/dav/ permanent;
+ 
+    location = /robots.txt {
+      allow all;
+      log_not_found off;
+      access_log off;
+    }
+      
+    location ~ ^/(build|tests|config|lib|3rdparty|templates|data)/ {
+      deny all;
+    }
+
+    location ~ ^/(?:\.|autotest|occ|issue|indie|db_|console) {
+      deny all;
+    }
+  
+    location / {
+      rewrite ^/remote/(.*) /remote.php last;
+      rewrite ^(/core/doc/[^\/]+/)$ $1/index.html;
+      try_files $uri $uri/ =404;
+    }
+  
+    location ~ \.php(?:$|/) {
+      fastcgi_split_path_info ^(.+\.php)(/.+)$;
+      include fastcgi_params;
+      fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
+      fastcgi_param PATH_INFO $fastcgi_path_info;
+      fastcgi_param HTTPS on;
+      fastcgi_param modHeadersAvailable true; #Avoid sending the security headers twice
+      fastcgi_pass backend;
+      fastcgi_intercept_errors on;
+    }
+
+    # Adding the cache control header for js and css files
+    # Make sure it is BELOW the location ~ \.php(?:$|/) { block
+    location ~* \.(?:css|js)$ {
+      add_header Cache-Control "public, max-age=7200";
+      # Add headers to serve security related headers
+      add_header Strict-Transport-Security "max-age=15768000; includeSubDomains; preload;";
+      add_header X-Content-Type-Options nosniff;
+      add_header X-Frame-Options "SAMEORIGIN";
+      add_header X-XSS-Protection "1; mode=block";
+      add_header X-Robots-Tag none;
+      add_header X-Download-Options noopen;
+      add_header X-Permitted-Cross-Domain-Policies none;
+      # Optional: Don't log access to assets
+      access_log off;
+    }
+
+    # Optional: Don't log access to other assets
+    location ~* \.(?:jpg|jpeg|gif|bmp|ico|png|swf)$ {
+      access_log off;
+    }
+
+    # collabora static files
+    location ^~ /loleaflet {
+        proxy_pass https://collabora:9980;
+        proxy_set_header Host $http_host;
+    }
+
+    # collabora WOPI discovery URL
+    location ^~ /hosting/discovery {
+        proxy_pass https://collabora:9980;
+        proxy_set_header Host $http_host;
+    }
+
+    # collabora websockets, download, presentation and image upload
+    location ^~ /lool {
+        proxy_pass https://collabora:9980;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+        proxy_set_header Host $http_host;
+    }
+  }
+}