HTTP -> HTTPS redirection into the Tomcat

Update web.xml configuration file and add the following content into the section:

<security-constraint>
    <web-resource-collection>
        <web-resource-name>Protected Context</web-resource-name>
        <url-pattern>/*</url-pattern>
    </web-resource-collection>
    <!-- auth-constraint goes here if you require authentication -->
    <user-data-constraint>
        <transport-guarantee>CONFIDENTIAL</transport-guarantee>
    </user-data-constraint>
</security-constraint>

Update server.xml configuration file and add the following content into the section:

<Valve className="org.apache.catalina.valves.RemoteIpValve"
remoteIpHeader="x-forwarded-for"
protocolHeader="x-forwarded-proto"
protocolHeaderHttpsValue="https" />

Restart Tomcat Node.