Upgrade requirements. Add dotenv support.

.gitignore

@@ -3,3 +3,4 @@ venv
 *.pyc
 *.swp
 *.local.*
+.env

main.py

@@ -1,11 +1,14 @@
 import httpx
+import os
+from dotenv import load_dotenv
 from flask import Flask, request, Response, render_template, redirect, stream_with_context
 
 from core.feed import render_feed
 from core.options import GlobalOptions
 from core.plugin.plugin_factory import PluginFactory
 
 
+load_dotenv()
 app = Flask(__name__)
 
 
@@ -52,4 +55,5 @@ def application_error(e):
 
 
 if __name__ == '__main__':
-    app.run(host='0.0.0.0', port=8000)
+    port = os.getenv('PODTUBE_PORT')
+    app.run(host='0.0.0.0', port=int(port) if port and port.isdigit() else 8080)

requirements.txt

@@ -1,10 +1,11 @@
 pod2gen==1.0.3
-yt-dlp==2023.11.14
-flask==3.0.0
+yt-dlp==2023.12.30
+flask==3.0.1
 gunicorn==21.2.0
 pytube==15.0.0
-httpx==0.25.0
+httpx==0.26.0
 parsel==1.8.1
-dateparser==1.1.8
-pydantic==2.4.2
-ftfy==6.1.1
+dateparser==1.2.0
+pydantic==2.5.3
+ftfy==6.1.3
+python-dotenv==1.0.1