Rename services to remove "app"

vote/Dockerfile

@@ -0,0 +1,18 @@
+# Using official python runtime base image
+FROM python:2.7-alpine
+
+# Set the application directory
+WORKDIR /app
+
+# Install our requirements.txt
+ADD requirements.txt /app/requirements.txt
+RUN pip install -r requirements.txt
+
+# Copy our code from the current folder to /app inside the container
+ADD . /app
+
+# Make port 80 available for links and/or publish
+EXPOSE 80
+
+# Define our command to be run when launching the container
+CMD gunicorn app:app -b 0.0.0.0:80 --log-file - --access-logfile - --workers 4 --keep-alive 0