Another quick SVG tip. Set your stroke dash length to 0 and your linecap to round. That will get you a nice circle border around your path or a string of circles along an open path. For a complete string of circle shapes along the stroke, set the gap equal to the stroke-width.
See the Pen VXMmZV by PointC (@PointC) on CodePen
If you set the gap to less than the stroke-width, you can overlap the circles and create a nice s