Media server/torrent box setup with docker

docker-compose.yml

version: '3'
services:
        qbittorrent:
                image: linuxserver/qbittorrent
                container_name: qbittorrent
                restart: unless-stopped
                environment:
                        - "PUID=1001"     # uid of "qbittorrent"
                        - "PGID=1005"     # gid of "torrents"
                        - "UMASK_SET=022" # rwxrwxr-x 
                        - "TZ=Europe/Vilnius"
                ports:
                        - "6881:6881"
                        - "6881:6881/udp"
                        - "8080:8080"
                volumes:
                        - "/opt/qbittorrent_config:/config"
                        - "/array/torrents/downloads:/downloads"
                        - "/array/torrents/torrent_files:/torrent_files"
                        - "/array/torrents/blackhole:/blackhole"
                tmpfs:
                        - "/tmp"
        jackett:
                image: linuxserver/jackett
                container_name: jackett
                restart: unless-stopped
                environment:
                        - "TZ=Europe/Vilnius"
                ports:
                        - "9117:9117"
                volumes:
                        - "/opt/jackett_config:/config"
                tmpfs:
                        - "/tmp"
        sonarr:
                image: linuxserver/sonarr
                container_name: sonarr
                restart: unless-stopped
                environment:
                        - "PUID=1002" # uid of "sonarr"
                        - "PGID=1006" # gid of "media"
                        - "TZ=Europe/Vilnius"
                ports:
                        - "8989:8989"
                volumes:
                        - "/opt/sonarr_config:/config"
                        - "/array/media/tv:/tv"
                        - "/array/torrents/downloads:/downloads"
                tmpfs:
                        - "/tmp"
        radarr:
                image: linuxserver/radarr
                container_name: radarr
                restart: unless-stopped
                environment:
                        - "PUID=1008" # uid of "radarr"
                        - "PGID=1006" # gid of "media"
                        - "TZ=Europe/Vilnius"
                ports:
                        - "7878:7878"
                volumes:
                        - "/opt/radarr_config:/config"
                        - "/array/media/movies:/movies"
                        - "/array/torrents/downloads:/downloads"
                tmpfs:
                        - "/tmp"
        emby:
                image: emby/embyserver
                container_name: emby
                restart: unless-stopped
                network_mode: "host" # for upnp
                environment:
                        - "UID=1003" # uid of "emby"
                        - "GID=1006" # gid of "media"
                volumes:
                        - "/opt/emby_config:/config"
                        - "/array/media/tv:/media/tv"
                        - "/array/media/movies:/media/movies"
                        - "/array/media/music/organized:/media/music/organized"
                        - "/array/media/music/not-organized:/media/music/not-organized"
                tmpfs:
                        /tmp
        syncthing:
                image: linuxserver/syncthing
                container_name: syncthing
                restart: unless-stopped
                network_mode: "host" # for device discovery
                environment:
                        - "PUID=1009" # uid of "syncthing"
                        - "PGID=1006" # gid of "syncthing"
                volumes:
                        - "/opt/syncthing_config:/config"
                        - "/array/media/music/organized:/mnt/music/organized"
                        - "/array/media/music/transcoded:/mnt/music/transcoded"
                tmpfs:
                        /tmp