settings.xml

<settings
    xmlns="http://maven.apache.org/POM/4.0.0"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
    http://maven.apache.org/xsd/settings-1.0.0.xsd">
        <mirrors>
            <mirror>
                <id>osf-public</id>
                <mirrorOf>*</mirrorOf>
                <url>https://copernicus.serco.eu/repository/nexus/content/groups/public/</url>
            </mirror>
            <mirror>
                <id>osf-releases</id>
                <mirrorOf>*</mirrorOf>
                <url>https://copernicus.serco.eu/repository/nexus/content/repositories/public-releases-repository/</url>
            </mirror>
        </mirrors>
</settings>