Working nginx configuration for OwnCloud on Raspbian. Put in `/etc/nginx/sites-available` You absolutely want to install the `php-apc` package in order to get a reasonable speed.

owncloud

 server {
            listen 80;
            server_name cloud.someserver.de;
            rewrite ^ https://$server_name$request_uri? permanent;  # enforce https
    }

    server {
            listen 443 ssl;
            server_name cloud.someserver.de;

            ssl_certificate /etc/nginx/certs/self-signed.crt;
            ssl_certificate_key /etc/nginx/certs/self-signed.key;

            #access_log /var/log/nginx/cloud.pixelistik.de.access_log main;
            #error_log /var/log/nginx/cloud.pixelistik.de.error_log info;

            root /var/www/owncloud;

            client_max_body_size 10G; # set max upload size
            fastcgi_buffers 64 4K;

            rewrite ^/caldav((/|$).*)$ /remote.php/caldav$1 last;
            rewrite ^/carddav((/|$).*)$ /remote.php/carddav$1 last;
            rewrite ^/webdav((/|$).*)$ /remote.php/webdav$1 last;

            index index.php;
            error_page 403 = /core/templates/403.php;
            error_page 404 = /core/templates/404.php;

            location ~ ^/(data|config|\.ht|db_structure\.xml|README) {
                    deny all;
            }

            location / {
                    rewrite ^/.well-known/host-meta /public.php?service=host-meta last;
                    rewrite ^/.well-known/host-meta.json /public.php?service=host-meta-json last;
                    rewrite ^/.well-known/carddav /remote.php/carddav/ redirect;
                    rewrite ^/.well-known/caldav /remote.php/caldav/ redirect;

                    rewrite ^(/core/doc/[^\/]+/)$ $1/index.html;

                    try_files $uri $uri/ index.php;
            }


            location ~ ^(?<script_name>.+?\.php)(?<path_info>/.*)?$ {
                    try_files $script_name = 404;

                    include fastcgi_params; #.conf;
                    fastcgi_param  SCRIPT_FILENAME    $document_root$fastcgi_script_name;
                    fastcgi_param PATH_INFO $path_info;
                    fastcgi_param HTTPS on;
                    fastcgi_pass unix:/var/run/php5-fpm.sock;
            }

            location ~* ^.+.(jpg|jpeg|gif|bmp|ico|png|css|js|swf)$ {
                    expires 30d;
                    # Optional: Don't log access to assets
                    access_log off;
            }

    }