fix(docker): add missing Python deps, fix VPN routing and healthcheck

- Add missing packages to requirements.txt: requests, beautifulsoup4,
  fake-useragent, yt-dlp, urllib3
- Fix entrypoint.sh: replace grep -oP (GNU) with awk (BusyBox compat)
- Fix entrypoint.sh: add policy routing so LAN clients get responses
  via eth0 instead of through the WireGuard tunnel
- Change healthcheck from ping to curl (VPN provider blocks ICMP)
- Add start_period and increase retries for healthcheck
- Change external port mapping to 2000:8000
- Add podman-compose.prod.yml and push.sh to version control

requirements.txt

@@ -18,4 +18,10 @@ aiosqlite>=0.19.0
 aiohttp>=3.9.0
 lxml>=5.0.0
 pillow>=10.0.0
-APScheduler>=3.10.4
+APScheduler>=3.10.4
+Events>=0.5
+requests>=2.31.0
+beautifulsoup4>=4.12.0
+fake-useragent>=1.4.0
+yt-dlp>=2024.1.0
+urllib3>=2.0.0