OpenMapTiles on Synology

Few personal requirements for this note,

Have local domain that accessible without adding domain into /etc/hosts
No Apache package inside Synology
OpenMapTiles have to start automatically after NAS is restarted

My personal NAS model is DS218+, which has Docker package and with intel CPU, so the process might be different for other models (especially ARM which I don't think OpenMapTiles supports it yet or has a container image for it.) This project is for myself having map run locally and render my activity heat map over it without need of internet connection, also, I can copy all the map file that loaded and run on my laptop why travelling e.g. on the plane.

The disk space requires for this is around 60GB (Planet map from OSM package by OpenMapTiles and OpenMapTiles container itself), so this can copy into my laptop later. Step below is for setup OpenTilesMap inside the Synology Docker service and make it run with internal nginx and green lock ssl.

Install the Docker package inside DSM and add OpenMapTiles container in it. Step is similar to OpenMapTiles install server in linux but with UI from DSM

Synology Docker package inside Package Center
In Advanced Settings, select Enable auto-restart, in volume add folder and map between folder that store a map tiles file to the /data and Port settings, choose local port that want to put inside nginx. I don't make it auto select here, so the port stay after restart and doesn't break nginx.

Enable auto-restart here

Map host port to the container port, it can be any number but this will use in step below

Map directory that has the map tiles into the container, if it does not have map tiles, OpenMapTiles will download and put the file here
Apply the setting and click make in run from the Summary page

Summary setting before starting the container
Install Web Station package and open it to add virtual host, click on create virtual host inside, and fill in domain in hostname, select the document root (which can be any, it doesn't matter) and click ok to create it

Web station configuration, in the background, it modifies nginx configuration underneath

Virtual host list and status
Enable ssh service from Control Panel/Terminal & SNMP and ssh into it.
Virtual host configuration that add from the UI is inside /etc/nginx/app.d/server.webstation-vhost.conf. In that file, it will show what's include path that allow user to add custom configuration e.g. include /usr/local/etc/nginx/conf.d/<uuid>/user.conf* Follow that path to the uuid directory and create a new file with name begin with user.conf
Creating ssl file with let's encrypt and add those ssl files (certificate and private key) into DSM in Control Panel/Security. After adding, map the certificate to the domain name.
Add the location below making nginx forward traffic to OpenMapTiles container

location / {
	proxy_set_header Host $host;
	proxy_set_header X-Forwarded-Proto $scheme;
	proxy_set_header X-Forwarded-Host $host;
	proxy_set_header X-Forwarded-Server $host;
	proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
	proxy_pass http://localhost:15300;
}

Reload nginx with synoservice --reload nginx

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