Use a proper WSGI server

Dockerfile

@@ -16,5 +16,5 @@ EXPOSE 5000
 # Define environment variable
 ENV FLASK_APP=run.py
 
-# Run the application
-CMD ["flask", "run", "--host=0.0.0.0"]
+# Run the application using Gunicorn
+CMD ["gunicorn", "--bind", "0.0.0.0:5000", "run:app"]

README.md

@@ -11,7 +11,6 @@
 
 <p align="center">
   <a href="#about">About</a> •
-  <a href="#features">Features</a> •
   <a href="#prerequisites">Prerequisites</a> •
   <a href="#installation">Installation</a> •
   <a href="#usage">Usage</a> •

docker-compose.yml

@@ -6,4 +6,5 @@ services:
       - "5000:5000"
     environment:
       - FLASK_ENV=production
+      - GUNICORN_CMD_ARGS="--workers=3"
     restart: unless-stopped

requirements.txt

@@ -1,2 +1,3 @@
 flask
-requests
+requests
+gunicorn