edit dockerfile and app.py

Dockerfile

@@ -24,4 +24,4 @@ VOLUME /app/static
 EXPOSE 5000
 
 # Command to run the application
-CMD ["python", "app.py"]
+CMD python3 app.py

app.py

@@ -2,6 +2,8 @@
 from flask import Flask, render_template
 import qrcode
 import os
+from urllib.parse import quote
+from PIL import Image
 app = Flask(__name__, template_folder="templates")
 
 @app.route('/')
@@ -12,9 +14,9 @@ def index():
   qr.make(fit=True)
   qr_img = qr.make_image(fill_color="black", back_color="white")
   qr_img = qr.make_image(fill_color="black", back_color="white")
-  qr_img.save("/home/anpham/Projects/virtual-bussiness-card/static/qr_code.png")  # Save QR code image
+  qr_img.save("static/qr_code.png")  # Save QR code image
   return render_template('index.html')
 
 if __name__ == '__main__':
-  app.run(debug=True)
+  app.run(host='0.0.0.0', port=5000)
 

requirements.txt

@@ -0,0 +1,4 @@
+Flask==2.0.1
+qrcode==7.3
+Pillow==8.3.1
+Werkzeug==2.0.1