Fixing wrong path

Dockerfile

@@ -1,10 +1,10 @@
 FROM python:3.7
 
-WORKDIR /code
+WORKDIR /app_to_share
 
-COPY ./requirements.txt /code/requirements.txt
+COPY ./requirements.txt /app_to_share/requirements.txt
 
-RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
+RUN pip install --no-cache-dir --upgrade -r /app_to_share/requirements.txt
 
 COPY . .