made a lot of changes to accomodate running the same app for differnt projects.

heimdall/docker-compose.yml

@@ -0,0 +1,17 @@
+# https://hub.docker.com/r/linuxserver/heimdall
+---
+version: "2.1"
+services:
+  heimdall:
+    image: linuxserver/heimdall
+    container_name: heimdall
+    environment:
+      - PUID=1000
+      - PGID=1000
+      - TZ=Europe/London
+    volumes:
+      - /path/to/appdata/config:/config
+    ports:
+      - 80:80
+      - 443:443
+    restart: unless-stopped