nginx_ssl.conf

user www-data;
worker_processes 4;
pid /run/nginx.pid;
daemon off;

events {
    worker_connections 768;
    # multi_accept on;
}

http {
    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    types_hash_max_size 2048;
    # server_tokens off;

    include /etc/nginx/mime.types;
    default_type application/octet-stream;

    access_log /var/log/nginx/access.log;
    error_log /var/log/nginx/error.log;

    gzip on;
    gzip_disable "msie6";

    upstream php-handler {
        server unix:/var/run/php5-fpm.sock;
    }

    server {
        listen 80;
        # server_name cloud.example.com;
        return 301 https://$server_name$request_uri;  # enforce https
    }

    server {
        listen 443 ssl;

        ssl_certificate /etc/ssl/certs/owncloud.crt;
        ssl_certificate_key /etc/ssl/private/owncloud.key;

        # Path to the root of your installation
        root /var/www/owncloud;

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

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

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

        location = /robots.txt {
            allow all;
            log_not_found off;
            access_log off;
        }

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

        location / {
            # The following 2 rules are only needed with webfinger
            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 ~ \.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_pass php-handler;
        }

        # Optional: set long EXPIRES header on static assets
        location ~* \.(?:jpg|jpeg|gif|bmp|ico|png|css|js|swf)$ {
            expires 30d;
            # Optional: Don't log access to assets
            access_log off;
        }
    }
}