fix - change docker file

Dockerfile

@@ -14,7 +14,8 @@ ENV PYTHONUNBUFFERED 1
 # install dependencies
 RUN pip install --upgrade pip
 COPY ./requirements.txt /app/
-RUN pip install -r requirements.txt
+RUN --mount=type=cache,target=/root/.cache/pip \
+    pip install --no-cache-dir -r requirements.txt
 
 # copy project
 COPY . /app/