Added .env files to stacks

ntfy/.env

@@ -0,0 +1,5 @@
+# ntfy - a simple HTTP-based pub-sub notification service
+# Environment variables for ntfy
+
+TZ=Europe/Oslo
+PORT=9010

ntfy/compose.yml

@@ -7,7 +7,7 @@ services:
     command:
       - serve
     environment:
-      - TZ=Europe/Oslo    # optional: set desired timezone
+      - TZ=${TZ}    # optional: set desired timezone
     #user: UID:GID # optional: replace with your own user/group or uid/gid
     volumes:
       - /home/rcadmin/docker/ntfy/data/cache_ntfy:/var/cache/ntfy
@@ -15,7 +15,7 @@ services:
     networks:
       - ntfy
     ports:
-      - 9010:80
+      - ${PORT}:80
     healthcheck: # optional: remember to adapt the host:port to your environment
         test: ["CMD-SHELL", "wget -q --tries=1 http://localhost:80/v1/health -O - | grep -Eo '\"healthy\"\\s*:\\s*true' || exit 1"]
         interval: 60s