Confluence NGINX

server.xml

<Server port="8000" shutdown="SHUTDOWN" >
    <Service name="Tomcat-Standalone">
                <Connector port="8081" maxHttpHeaderSize="8192" connectionTimeout="40000" redirectPort="8443"
        maxThreads="248" minSpareThreads="25" maxSpareThreads="100" compression="on"
        compressableMimeType="text/html,text/xml,text/plain" enableLookups="false" disableUploadTimeout="true"
        acceptCount="100" URIEncoding="UTF-8" protocol="org.apache.coyote.http11.Http11Nio2Protocol" secure="true"
        scheme="https" proxyName="kb.qa.example.com" proxyPort="443" SSLEnabled="true" sslProtocol="TLSv1.2" sslEnabledProtocols="TLSv1.2" clientAuth="false"
        keyAlias="kb.qa.example.com" keystoreFile="/var/atlassian/application-data/confluence/kb.qa.example.com.jks" keystorePass="changeme" keystoreType="JKS"/>

<Connector port="8090" connectionTimeout="20000" redirectPort="8443"
   maxThreads="48" minSpareThreads="10"
   enableLookups="false" acceptCount="10" debug="0" URIEncoding="UTF-8"
   protocol="org.apache.coyote.http11.Http11NioProtocol"
   scheme="https" secure="true" proxyName="kb.qa.example.com" proxyPort="443"/>


        <Engine name="Standalone" defaultHost="localhost" debug="0">
            <Host name="localhost" debug="0" appBase="webapps" unpackWARs="true" autoDeploy="false" startStopThreads="4">
                <Context path="" docBase="../confluence" debug="0" reloadable="false" useHttpOnly="true">
                <!-- Logging configuration for Confluence is specified in confluence/WEB-INF/classes/log4j.properties -->
                    <Manager pathname=""/>
                    <Valve className="org.apache.catalina.valves.StuckThreadDetectionValve" threshold="60"/>
                </Context>

                <Context path="${confluence.context.path}/synchrony-proxy" docBase="../synchrony-proxy" debug="0" reloadable="false" useHttpOnly="true">
                    <Valve className="org.apache.catalina.valves.StuckThreadDetectionValve" threshold="60"/>
                </Context>
            </Host>
        </Engine>
    </Service>
</Server>

/etc/nginx/conf.d/kb.qa.example.com.conf

    # proxy_cache_path  /nginxcache  levels=1:2    keys_zone=STATIC:10m
    # inactive=24h  max_size=1g;
proxy_cache_path /var/run/nginx-cache levels=1:2 keys_zone=nginx-cache:10m max_size=500m;

server {

    listen 80 default_server;
    listen [::]:80 default_server;
    if ($scheme != "https") {
        return 301 https://$host$request_uri;
    }

    listen 443 ssl default_server;
    listen [::]:443 ssl default_server;
server_name _;
    # listen 443 default ssl;


    # ssl_certificate     /etc/nginx/selfsigned.crt;
    # ssl_certificate_key /etc/nginx/selfsigned.key;
    ssl_certificate     /etc/nginx/kb.qa.example.com.crt;
    ssl_certificate_key /etc/nginx/kb.qa.example.com.key;

    ssl_session_timeout  5m;

    ssl_protocols TLSv1.3 TLSv1.2;
  ssl_prefer_server_ciphers on;
  ssl_ecdh_curve secp521r1:secp384r1;
  ssl_ciphers EECDH+AESGCM:EECDH+AES256;

  ssl_session_cache shared:TLS:2m;
  ssl_buffer_size 4k;

location /nginxhealth {
    return 200 'healthy';
    add_header Content-Type text/plain;
}

    location / {

proxy_cache nginx-cache;

proxy_cache_valid 1440m;

proxy_cache_min_uses 1;

add_header X-Proxy-Cache $upstream_cache_status;
# proxy_ignore_headers Cache-Control;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Server $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_pass http://localhost:8090;
    }

    location /synchrony {
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Server $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_pass http://localhost:8091/synchrony;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "Upgrade";
    }

}

REf

• https://serverfault.com/questions/758817/whats-the-redirect-port-for-in-tomcat
• https://confluence.atlassian.com/doc/running-confluence-behind-nginx-with-ssl-858772080.html