(refactor) Move hosts file copy from volume mount to Dockerfile

Bake the custom hosts file into the Docker image instead of mounting it as a volume. This simplifies deployment configuration and makes the image more self-contained.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

docker-stack/docker-compose-standalone.yaml

@@ -17,8 +17,6 @@ services:
     networks:
       - traefik-network
       - util-bills-mongo-network
-    volumes:
-      - /home/knee-cola/docker/evidencija-rezija/web-app/etc/hosts/:/etc/hosts
     environment:
       MONGODB_URI: mongodb://rezije.app:w4z4piJBgCdAm4tpawqB@mongo:27017/utility-bills
       GOOGLE_ID: 355397364527-adjrokm6hromcaaar0qfhk050mfr35ou.apps.googleusercontent.com

web-app/Dockerfile

@@ -12,6 +12,9 @@ RUN apk add --no-cache libc6-compat
 
 WORKDIR /app
 
+# copy custom hosts file to avoid issues with some auth providers
+COPY ./etc/hosts /etc/hosts
+
 # Copy package files
 COPY ./package.json ./package-lock.json ./