Tips for how to make OpenTopomap.org tile map server

1. https://github.com/der-stefan/OpenTopoMap

This is something like this.

2. First trial on Ubuntu 18.4 on my dell laptop.
I got topo but no icon and no text on it.

3. Second trial on Ubuntu 18.4 on lightsail.aws.amazon.com

4. I tried to get followed everything on that sites. (especially shape files)

5. Download NotoSansCJKKR hinted font from google.com
( wget https://noto-website-2.storage.googleapis.com/pkgs/NotoSansCJKkr-hinted.zip)

6. unzip it to /usr/share/fonts/
( unzip NotoSansCJKkr-hinted.zip / cp *.otf /usr/share/fonts/opentype/noto/.)

7. refresh font cache by fc-cache -f -v

8. Then, open  ~/OpenTopoMap/mapnik/inc/fontset-settings.xml.inc to change font to Noto Sans CJK KR Regular or Noto Sans CJK KR Bold.
(Docker: vi /home/renderer/src/openstreetmap-carto/mapnik.xml)

9. Restart renderd and check new tiles for updating.

/usr/local/etc/renderd.conf