expose ports, fix response

api/Dockerfile

@@ -4,6 +4,8 @@ RUN apt-get update -y && apt-get install -y python-pip python-dev build-essentia
 COPY . /app
 WORKDIR /app
 RUN pip install -r requirements.txt
+
+EXPOSE 8000
+
 ENTRYPOINT ["python"]
 CMD ["app.py"]
-EXPOSE 8000

api/app.py

@@ -3,7 +3,7 @@
 
 @app.route('/api')
 def hello_world():
-    return 'hi!  i\'m ALSO served via Python + Flask.  i\'m a second web endpoint.'
+    return ('hi!  i\'m ALSO served via Python + Flask.  i\'m a second web endpoint.')
 
 if __name__ == '__main__':
     app.run(port='8000',host='0.0.0.0')

web/Dockerfile

@@ -5,4 +5,7 @@ COPY . /app
 WORKDIR /app
 RUN pip install -r requirements.txt
 ENTRYPOINT ["python"]
+
+EXPOSE 3000
+
 CMD ["app.py"]

web/app.py

@@ -3,7 +3,7 @@
 
 @app.route('/web')
 def hello_world():
-    return 'hi!  i\'m served via Python + Flask.  i\m a web endpoint.'
+    return ('hi!  i\'m served via Python + Flask.  i\'m a web endpoint.')
 
 if __name__ == '__main__':
-    app.run(port='5000',host='0.0.0.0')
+    app.run(port='3000',host='0.0.0.0')