Fix Dockerfile

backend/Dockerfile

@@ -1,14 +1,14 @@
 FROM python:3.12-slim
 
 WORKDIR /app
-COPY . ./app
+COPY . .
 
-RUN pip install --no-cache-dir -r /app/requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
 
 RUN apt-get -y update; apt-get -y install curl
 
 ENV PYTHONDONTWRITEBYTECODE 1
 ENV PYTHONUNBUFFERED 1
 
-RUN chmod +x /app/entry.sh
+RUN chmod +x entry.sh
 ENTRYPOINT [ "sh", "entry.sh" ]