Tomcat server.xml for https

server.xml

<Connector
    port="8443"
    protocol="org.apache.coyote.http11.Http11NioProtocol"
    SSLEnabled="true">

    <SSLHostConfig>
        <Certificate
            certificateFile="conf/server.crt"
            certificateKeyFile="conf/server.key"
            certificateKeyPassword="your_key_passphrase"
            type="RSA" />
    </SSLHostConfig>

</Connector>

• certificateKeyFile points to your .key file.​
• certificateFile points to your .crt/.cer server certificate.​
• certificateKeyPassword is the passphrase protecting the private key; omit it if your key is unencrypted.