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">
    <servers>
        <server>
            <id>github</id>
            <username>${env.GH_USER}</username>
            <password>${env.GH_PASS}</password>
        </server>
        <server>
            <id>sonatype-snapshots</id>
            <username>${env.SONATYPE_USERNAME}</username>
            <password>${env.SONATYPE_PASSWORD}</password>
        </server>
        <server>
            <id>sonatype-staging</id>
            <username>${env.SONATYPE_USERNAME}</username>
            <password>${env.SONATYPE_PASSWORD}</password>
        </server>
    </servers>
    <profiles>
        <profile>
            <id>develop</id>
            <repositories>
                <repository>
                    <id>sonatype-snapshots</id>
                    <url>https://oss.sonatype.org/content/repositories/snapshots/</url>
                    <releases><enabled>false</enabled></releases>
                    <snapshots><enabled>true</enabled></snapshots>
                </repository>
            </repositories>
        </profile>
        <profile>
            <id>staging</id>
            <repositories>
                <repository>
                    <id>sonatype-staging</id>
                    <url>https://oss.sonatype.org/content/repositories/staging/</url>
                    <releases><enabled>true</enabled></releases>
                    <snapshots><enabled>true</enabled></snapshots>
                </repository>
            </repositories>
        </profile>
    </profiles>
    <pluginGroups>
        <pluginGroup>org.anc.maven.plugins</pluginGroup>
    </pluginGroups>
</settings>