Changes not refelect in UI

Hi ,

I have running frappe and erpnext using frappe-docker .

When we make a change inside the erpnext folder backend docker it reflect in to UI

But when we make a change inside the frappe folder inside the docker in not reflected inside the UI

Please help me

I there any Specific reson i have build docker image using this command

docker build \
  --build-arg=FRAPPE_PATH=https://github.com/frappe/frappe \
  --build-arg=FRAPPE_BRANCH=version-15 \
  --build-arg=PYTHON_VERSION=3.11.9 \
  --build-arg=NODE_VERSION=18.20.2 \
  --build-arg=APPS_JSON_BASE64=$APPS_JSON_BASE64 \
  --tag=ghcr.io/user/repo/custom:1.0.0 \
  --file=images/custom/Containerfile .

any one is there to help me out to fix this issue ?