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                                    <a href="https://robcast.github.io/digilib/" id="bannerLeft">
                <h2>digilib - a versatile image viewing environment for the internet</h2>
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                  <li id="publishDate">Last Published: 2018-03-14</li>
                  <li class="divider">|</li> <li id="projectVersion">Version: 2.5-SNAPSHOT</li>


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            <h1>Server setup for digilib</h1>
<p>There are a variety of ways to deploy digilib on different server configurations for production sites. </p>
<p>Here are some examples and tips.</p>
<div class="section">
<h2><a name="nginx_as_proxy"></a>nginx as proxy</h2>
<p>This is an example configuration for <tt>nginx</tt> as a proxy for a single instance of digilib (listening on port <tt>8080</tt>) that handles transport encryption and restricts access to sensitive data to the gateway of a local network (<tt>1.2.3.4</tt>).</p>

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<pre>server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name digilib.example.org;

    # this certificate chain shall *not* include the root certificate:
    ssl_certificate /etc/ssl/certs/digilib.example.org.pem;
    ssl_certificate_key /etc/ssl/private/digilib.example.org.key;

    include /etc/nginx/proxy_params;

    location ~* .*/(dlConfig|dlRequest).jsp$ {
        allow 1.2.3.4;
        deny all;
        proxy_pass http://localhost:8080;
    }

    location / {
        proxy_pass http://localhost:8080;
    }
}
</pre></div></div>
<div class="section">
<h3><a name="Resources"></a>Resources</h3>

<ul>

<li>the <a href="nginx.org/en/docs/">nginx documentation</a></li>
</ul></div></div>
<div class="section">
<h2><a name="Apache_as_proxy_and_load-balancer"></a>Apache as proxy and load-balancer</h2>
<p>This is an example configuration for <a class="externalLink" href="https://httpd.apache.org/">Apache</a> as a proxy and load balancer for two instances of digilib (one running on localhost, port 8080 and another on otherserver, port 8080), using SSL and http/2:</p>

<div class="source">
<div class="source">
<pre>&lt;VirtualHost *:443&gt;
    # HTTP/2 protocol (Apache 2.4.29 and later)
    Protocols h2 http/1.1
    ServerName digilib.example.com
    SSLCertificateFile /etc/ssl/private/digilib-cert.pem
    SSLCertificateKeyFile /etc/ssl/private/digilib-key.pem
    SSLEngine on

    DocumentRoot /var/www
    &lt;Directory /&gt;
        Options FollowSymLinks
        AllowOverride None
    &lt;/Directory&gt;
    &lt;Directory /var/www/&gt;
        Options Indexes FollowSymLinks MultiViews
        AllowOverride None
        Order allow,deny
        allow from all
    &lt;/Directory&gt;

    ErrorLog ${APACHE_LOG_DIR}/digilib-ssl-error.log
    LogLevel warn
    CustomLog ${APACHE_LOG_DIR}/digilib-ssl-access.log combined

    # do not forward-proxy!
    ProxyRequests off
    # set proxy proto header
    RequestHeader set X-Forwarded-Proto &quot;https&quot;
    # digilib instances
    &lt;Proxy balancer://digilibs&gt;
       BalancerMember http://127.0.0.1:8080
       BalancerMember http://otherserver.example.com:8080
    &lt;/Proxy&gt;
    # balance by busy-ness
    ProxyPass /digitallibrary balancer://digilibs/digitallibrary lbmethod=bybusyness
    ProxyPassReverse /digitallibrary balancer://digilibs/digitallibrary

    # balancer-manager frontend (be careful!)
    &lt;Location /balancer-manager&gt;
        SetHandler balancer-manager
        Require host localhost
    &lt;/Location&gt;
&lt;/VirtualHost&gt;
</pre></div></div></div>
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<h2><a name="Jetty_behind_a_proxy"></a>Jetty behind a proxy</h2>
<p>When you are using <a class="externalLink" href="https://www.eclipse.org/jetty/">Jetty</a> as servlet container behind an Apache or nginx proxy then you should make sure that Jetty processes the <tt>X-Forwarded-*</tt> headers from the proxy server to derive the correct request URL for the servlets.</p>
<p>Please see <a class="externalLink" href="http://www.eclipse.org/jetty/documentation/9.4.x/configuring-connectors.html#_proxy_load_balancer_connection_configuration">this information for Jetty 9.4</a> or <a class="externalLink" href="https://wiki.eclipse.org/Jetty/Tutorial/Apache#Configuring_mod_proxy_http">this information for Jetty 8 and earlier versions</a>.</p></div>
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author	Robert Casties <casties@mpiwg-berlin.mpg.de>
date	Mon, 26 Mar 2018 17:16:47 +0000
parents	8a9c66abb57c
children	79c837179ffb