Compose with all you need to be free :) Here is Plexarr stack services and exposed ports in the compose :

• Plex
  • UDP: 1900 (access to the Plex DLNA Server)
  • UDP: 5353 (older Bonjour/Avahi network discovery)
  • TCP: 8324 (controlling Plex for Roku via Plex Companion)
  • UDP: 32410, 32412, 32413, 32414 (current GDM network discovery)
  • TCP: 32469 (access to the Plex DLNA Server)
• Sonarr
  • Port : 7989
• Radarr
  • 6878
• qBitorrent
  • 7000 (web access)
• flaresolverr
  • 7191
• overseerr
  • 7055
• tautulli
  • 7181
• bazarr
  • 6767
• prowlarr
  • 9696
• readarr
  • 8787
• lidarr
  • 8686

Plex is an host network and Servarr on a user defined bridge.

Volumes folder creation example : 

mkdir /seedbox /docker
cd /seedbox
mkdir -p Downloads/InProgress \
Downloads/movies \
Downloads/tv \
comics \
tv \
movies

cd /docker
mkdir -p plex/transcode \
qbitorrent/config \
sonarrv3 \
radarr \
overseerr \
tautulli \
bazarr \
prowlarr \
readarr \
audiobookshelf/audiobooks \
lidarr

1. Install docker and compose on your host

curl -fsSL https://get.docker.com | sh; >/dev/null
curl -sL "https://github.com/docker/compose/releases/download/v2.17.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose

2. Assume all folders are created
3. Clone the repo to get the compose inside your host
4. Then up the compose :

cd plexarr
docker-compose up -d