Docker file - Still have bug

Dockerfile

@@ -0,0 +1,14 @@
+# DocketFile, Image, Container
+FROM python:3.9
+
+ADD main.py .
+ADD general_function.py .
+ADD /exchange/extract/exchange_extract_function.py .
+ADD /exchange/load/exchange_load_function.py .
+
+WORKDIR /data-management
+
+COPY requirements.txt ./
+RUN pip3 install -r requirements.txt
+
+CMD [ "python", "/main.py" ]