Dockerize app

Dockerfile

+# Use an official Python runtime as a parent image
+FROM python:3.6
+
+# Set the working directory to /app
+WORKDIR /app
+
+# Copy the current directory contents into the container at /app
+COPY . /app
+
+# Install any needed packages specified in requirements.txt
+RUN pip install -r requirements.txt
+
+# Make port 80 available to the world outside this container
+EXPOSE 80
+
+# Define environment variable
+ENV NAME World
+
+# Run app.py when the container launches
+CMD ["python", "app.py"]

app.py

@@ -2,4 +2,4 @@ from app import app
 
 
 if __name__ == '__main__':
-    app.run()
+    app.run(host="0.0.0.0", port=80)

docker-compose.yml

+version: '3'
+services:
+  app:
+    build: .
+    ports:
+      - 80:80
+    environment:
+      - MONGO_HOST=mongo
+      - MONGO_PORT=27017
+  mongo:
+    image: mongo:4.2.0
+    volumes:
+      - /var/lib/mongodb/data:/data/db
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