This is my media server stack. 
You will need a .env file with the following felds. Saved in the root directory.
VPN_COUNTRY=United States
TZ=America/Los_Angeles 
OPENVPN_USERNAME=
OPENVPN_PASSWORD= 

File structure is as follows. 

config 
    docker-compose.xml
    .env
    chaptarr
    gluetun
    jellyfin
    jelleyseerr
    lidarr
    prowlarr
    qbittorrent
    radarr
    sonarr