feature: do not use port on tiles URL

Caddyfile

@@ -1,6 +1,4 @@
 {
-  # to use handle_path for prefixes, pmtiles_proxy must have a defined
-  # position in the ordering of handlers.
   order pmtiles_proxy before reverse_proxy
   email ${MAPS_EMAIL}
 }
@@ -17,7 +15,7 @@
   }
 }
 
-${MAPS_DOMAIN} {
+${MAPS_DOMAIN}:${MAPS_PORT} {
   @allowed_origins {
     expression {header.Origin}.matches('^https://([a-zA-Z0-9-]+\\.)*${MAPS_SERVE_DOMAIN}$') || {header.Origin}.matches('^https://maplibre\\.org$')
   }

entrypoint.sh

@@ -1,9 +1,18 @@
 #!/bin/sh
 set -e
 
-# Debug: print environment variables
+# Extract port from MAPS_DOMAIN if it exists
+DOMAIN_WITHOUT_PORT=$(echo "${MAPS_DOMAIN}" | cut -d: -f1)
+PORT=$(echo "${MAPS_DOMAIN}" | grep -o ':[0-9]\+' | cut -d: -f2)
+PORT=${PORT:-443}  # Default to 443 if no port specified
+
+# Export cleaned domain and port
+export MAPS_DOMAIN=$DOMAIN_WITHOUT_PORT
+export MAPS_PORT=$PORT
+
 echo "Environment variables:"
 echo "MAPS_DOMAIN=${MAPS_DOMAIN}"
+echo "MAPS_PORT=${MAPS_PORT}"
 echo "MAPS_PMTILES_LOCATION=${MAPS_PMTILES_LOCATION}"
 echo "MAPS_EMAIL=${MAPS_EMAIL}"
 echo "MAPS_SERVE_DOMAIN=${MAPS_SERVE_DOMAIN}"
@@ -13,7 +22,8 @@ export MAPS_DOMAIN
 export MAPS_PMTILES_LOCATION
 export MAPS_EMAIL
 export MAPS_SERVE_DOMAIN
-envsubst '${MAPS_DOMAIN} ${MAPS_PMTILES_LOCATION} ${MAPS_EMAIL} ${MAPS_SERVE_DOMAIN}' < /etc/caddy/Caddyfile.template > /etc/caddy/Caddyfile
+export MAPS_PORT
+envsubst '${MAPS_DOMAIN} ${MAPS_PORT} ${MAPS_PMTILES_LOCATION} ${MAPS_EMAIL} ${MAPS_SERVE_DOMAIN}' < /etc/caddy/Caddyfile.template > /etc/caddy/Caddyfile
 
 echo "Caddyfile:"
 cat /etc/caddy/Caddyfile