settings.xml

<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
                      http://maven.apache.org/xsd/settings-1.0.0.xsd">

    <activeProfiles>
        <activeProfile>s3</activeProfile>
    </activeProfiles>

    <profiles>
        <profile>
            <id>s3</id>
            <repositories>
                <repository>
                    <id>cdn.rsprox.net</id>
                    <url>s3://cdn.rsprox.net/runelite/launcher</url>
                </repository>
            </repositories>
        </profile>
    </profiles>

    <servers>
        <server>
            <id>cdn.rsprox.net</id>
            <username>${env.AWS_ACCESS_KEY_ID}</username>
            <password>${env.AWS_SECRET_ACCESS_KEY}</password>
            <configuration>
                <region>eu-west-1</region>
                <publicRepository>true</publicRepository>
            </configuration>
        </server>
    </servers>
</settings>