Working integration with frontend and backend

backend/.flaskenv

@@ -1,2 +1,2 @@
-FLASK_APP=src/api.py
+FLASK_APP=src/app.py
 FLASK_ENV=development

backend/Dockerfile

@@ -1,18 +1,19 @@
-FROM python:latest
+# For more information, please refer to https://aka.ms/vscode-docker-python
+FROM python:3.9
 
-# set working directory
-WORKDIR /code
-
-# install app dependencies
-COPY requirements.txt .
-
-RUN pip install -r requirements.txt
-
-# add app
-COPY src/ .
-
-# Expose Port 5000
 EXPOSE 5000
 
-# start app
+# Keeps Python from generating .pyc files in the container
+ENV PYTHONDONTWRITEBYTECODE 1
+
+# Turns off buffering for easier container logging
+ENV PYTHONUNBUFFERED 1
+
+# Install pip requirements
+ADD requirements.txt .
+RUN python -m pip install -r requirements.txt
+                                                                                   
+WORKDIR /app
+ADD . /app
+
 CMD ["flask", "run"]