refactor: Setup using gunicorn

.gitignore

@@ -1,3 +1,4 @@
 tailwindcss
 static/output.css
-.env
+.env
+__pycache__

Dockerfile

@@ -12,4 +12,4 @@ RUN pip install -r requirements.txt \
     && ./tailwindcss -i ./static/input.css -o ./static/output.css --content "./templates/*.html" --minify \
     && rm tailwindcss
 EXPOSE 5000
-CMD ["python", "app.py"]
+CMD ["gunicorn", "--workers", "2", "--bind", "0.0.0.0:5000", "app:app", "--log-level", "warning"]

app.py

@@ -1,5 +1,6 @@
 import os
 import pytz
+import logging
 from flask import Flask, render_template, request, redirect, url_for, session, jsonify
 from datetime import datetime, date as datedate, datetime as dt
 import mysql.connector
@@ -22,6 +23,8 @@ mysql_config = {
     'database': os.getenv('MYSQL_DATABASE', 'echolog')
 }
 
+logging.basicConfig(level=logging.INFO, format='[%(asctime)s] %(levelname)s in %(module)s: %(message)s')
+
 def get_db_connection():
     return mysql.connector.connect(**mysql_config)
 
@@ -189,6 +192,4 @@ def delete_entry(entry_id):
     return redirect(url_for('index'))
 
 init_db()
-
-if __name__ == '__main__':
-    app.run(host='0.0.0.0', port=5000)
+logging.info('EchoLog started up successfully.')

requirements.txt

@@ -1,4 +1,5 @@
 Flask
 mysql-connector-python
 python-dotenv
-pytz
+pytz
+gunicorn

run.sh

@@ -4,4 +4,4 @@ echo "Generating CSS..."
 ./tailwindcss -i ./static/input.css -o ./static/output.css --content "./templates/*.html" --minify
 
 echo "Starting app..."
-python3 app.py
+gunicorn --workers 2 --bind 0.0.0.0:5000 app:app --log-level warning