Enable SSL for Nexus 3

Note: For more information on the Nexus directories, see https://help.sonatype.com/repomanager3/installation-and-upgrades/directories.

Procedure

Copy the keystore file into the $install-dir\etc\ssl folder.

Edit the $data-dir\etc\nexus.properties file to add the SSL port and the reference to the SSL configuration file.

# Jetty section
application-port=8081
application-port-ssl=8441
application-host=0.0.0.0
nexus-args=${jetty.etc}/jetty.xml,${jetty.etc}/jetty-http.xml,${jetty.etc}/jetty-https.xml,${jetty.etc}/jetty-requestlog.xml
nexus-context-path=/

Edit the SSL configuration file $install-dir\etc\jetty\jetty-https.xml for the certificate and password:
```
<New id="sslContextFactory" class="org.eclipse.jetty.util.ssl.SslContextFactory">
  <Set name="KeyStorePath"><Property name="ssl.etc"/>/keystore.jks</Set>
  <Set name="KeyStorePassword">password</Set>
  <Set name="KeyManagerPassword">password</Set>
```
The path must just be the name of the keystore file (preceded by a slash) as the file must be in a specific directory.
Start Nexus and you can login to Nexus URL using SSL port.

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