Index: twentyseventeen/assets/images/svg-icons.svg
===================================================================
--- twentyseventeen/assets/images/svg-icons.svg	(revision 41343)
+++ twentyseventeen/assets/images/svg-icons.svg	(working copy)
@@ -144,5 +144,9 @@
 <symbol id="icon-pause" viewBox="0 0 24 28">
 <path d="M24 3v22c0 0.547-0.453 1-1 1h-8c-0.547 0-1-0.453-1-1v-22c0-0.547 0.453-1 1-1h8c0.547 0 1 0.453 1 1zM10 3v22c0 0.547-0.453 1-1 1h-8c-0.547 0-1-0.453-1-1v-22c0-0.547 0.453-1 1-1h8c0.547 0 1 0.453 1 1z"></path>
 </symbol>
+<symbol id="icon-dockerhub" viewBox="0 0 24 28">
+<path d="M1.597 10.257h2.911v2.83H1.597v-2.83zm3.573 0h2.91v2.83H5.17v-2.83zm0-3.627h2.91v2.829H5.17V6.63zm3.57 3.627h2.912v2.83H8.74v-2.83zm0-3.627h2.912v2.829H8.74V6.63zm3.573 3.627h2.911v2.83h-2.911v-2.83zm0-3.627h2.911v2.829h-2.911V6.63zm3.572 3.627h2.911v2.83h-2.911v-2.83zM12.313 3h2.911v2.83h-2.911V3zm-6.65 14.173c-.449 0-.812.354-.812.788 0 .435.364.788.812.788.447 0 .811-.353.811-.788 0-.434-.363-.788-.811-.788"/>
+<path d="M28.172 11.721c-.978-.549-2.278-.624-3.388-.306-.136-1.146-.91-2.149-1.83-2.869l-.366-.286-.307.345c-.618.692-.8 1.845-.718 2.73.063.651.273 1.312.685 1.834-.313.183-.668.328-.985.434-.646.212-1.347.33-2.028.33H.083l-.042.429c-.137 1.432.065 2.866.674 4.173l.262.519.03.048c1.8 2.973 4.963 4.225 8.41 4.225 6.672 0 12.174-2.896 14.702-9.015 1.689.085 3.417-.4 4.243-1.968l.211-.4-.401-.223zM5.664 19.458c-.85 0-1.542-.671-1.542-1.497 0-.825.691-1.498 1.541-1.498.849 0 1.54.672 1.54 1.497s-.69 1.498-1.539 1.498z"/>
+</symbol>
 </defs>
 </svg>
Index: twentyseventeen/inc/icon-functions.php
===================================================================
--- twentyseventeen/inc/icon-functions.php	(revision 41343)
+++ twentyseventeen/inc/icon-functions.php	(working copy)
@@ -205,6 +205,7 @@
 		'wordpress.com'   => 'wordpress',
 		'yelp.com'        => 'yelp',
 		'youtube.com'     => 'youtube',
+		'docker.com'      => 'dockerhub',
 	);
 
 	/**