fix(bitpoll): update Bitpoll service configuration to use Dockerfile for build

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "src"]
+	path = src
+	url = https://github.com/fsinfuhh/Bitpoll.git

docker-compose.yml

@@ -45,7 +45,10 @@ services:
       - "traefik.http.routers.bitpoll-nginx-websecure.middlewares=secHeaders@file, hsts-header@file"
 
   bitpoll:
-    image: ghcr.io/fsinfuhh/bitpoll:${BITPOLL_TAG:?BITPOLL_TAG is not configured}
+    # image: ghcr.io/fsinfuhh/bitpoll:${BITPOLL_TAG:?BITPOLL_TAG is not configured} #only amd64 image
+    build:
+      dockerfile: Dockerfile
+      context: ./src
     restart: unless-stopped
     depends_on:
       db:

src

@@ -0,0 +1 @@
+Subproject commit 4a3e6a5e3500308a428a6c7644f50d423adca6fc