Tomcat with Nginx HTTPS

Nginx config

# Add these three lines
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

Tomcat config

<!-- Tomcat server.xml -->
<Connector port="8080" protocol="HTTP/1.1"
               connectionTimeout="20000"
               SSLEnabled="false"
               scheme="https" secure="true"
               proxyPort="443" proxyName="example.com" />
<!-- Make sure proxyPort is set to 443 -->
<!-- Set this in Host section -->
<Valve className="org.apache.catalina.valves.RemoteIpValve"
                  remoteIpHeader="x-forwarded-for"
                  remoteIpProxiesHeader="x-forwarded-by"
                  protocolHeader="x-forwarded-proto"/>