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# Note this config assumes unicorn is listening on port 9737.
# Module dependencies
# mod_rewrite
# mod_ssl
# mod_proxy
# mod_proxy_http
# mod_headers

# This section is only needed if you want to redirect http traffic to https.
# You can live without it but clients will have to type in https:// to reach discourse.
<VirtualHost *:80>
    ServerName discourse.example.com
    ServerSignature Off

    # Include the trailing slash!
    Redirect permanent / https://discourse.example.com/
</VirtualHost>

<VirtualHost *:443>
    SSLEngine on
    # strong encryption ciphers only
    # see ciphers(1) http://www.openssl.org/docs/apps/ciphers.html
    SSLProtocol all -SSLv2
    SSLHonorCipherOrder on
    SSLCipherSuite "ECDH+AESGCM:DH+AESGCM:ECDH+AES256:DH+AES256:ECDH+AES128:DH+AES:ECDH+3DES:DH+3DES:RSA+AESGCM:RSA+AES:RSA+3DES:!aNULL:!MD5:!DSS"
    Header add Strict-Transport-Security: "max-age=15768000;includeSubdomains"
    SSLCompression Off
    SSLCertificateFile /etc/httpd/ssl.crt/discourse.example.com.crt
    SSLCertificateKeyFile /etc/httpd/ssl.key/discourse.example.com.key
    SSLCACertificateFile /etc/httpd/ssl.crt/your-ca.crt

    ServerName discourse.example.com
    ServerSignature Off

    ProxyPreserveHost On

    # Ensure that encoded slashes are not decoded but left in their encoded state.
    # http://doc.discourse.com/ce/api/projects.html#get-single-project
    AllowEncodedSlashes NoDecode

    <Location />
        # New authorization commands for apache 2.4 and up
        # http://httpd.apache.org/docs/2.4/upgrading.html#access
        Require all granted

        ProxyPassReverse http://127.0.0.1:9737
        ProxyPassReverse http://discourse.example.com/
    </Location>

    <LocationMatch "^/assets/.*$">
        # Set caching headers here, providing advice to downstream cache
        Header set Cache-Control "public, max-age = 604800"
    </LocationMatch>

    # apache equivalent of nginx try files
    # http://serverfault.com/questions/290784/what-is-apaches-equivalent-of-nginxs-try-files
    # http://stackoverflow.com/questions/10954516/apache2-proxypass-for-rails-app-gitlab
    RewriteEngine on
    RewriteCond %{DOCUMENT_ROOT}/%{REQUEST_FILENAME} !-f
    RewriteRule .* http://127.0.0.1:9737%{REQUEST_URI} [P,QSA]
    RequestHeader set X_FORWARDED_PROTO 'https'

    # needed for downloading attachments
    DocumentRoot /usr/share/webapps/discourse/public

    # Set up apache error documents, if back end goes down an error page is thrown up.
    ErrorDocument 403 /403.html
    ErrorDocument 422 /422.html
    ErrorDocument 500 /500.html
    ErrorDocument 503 /503.html

    LogFormat "%{X-Forwarded-For}i %l %u %t \"%r\" %>s %b" common_forwarded
    ErrorLog /var/log/httpd/logs/discourse.example.com_error.log
    CustomLog /var/log/httpd/logs/discourse.example.com_forwarded.log common_forwarded
    CustomLog /var/log/httpd/logs/discourse.example.com_access.log combined env=!dontlog
    CustomLog /var/log/httpd/logs/discourse.example.com.log combined
</VirtualHost>