These are the commands I used (and a few of my notes) for a minimal Debian Stretch install..
Software Selection - "SSH server" and 'standard system utilities" only



sudo apt-get update
sudo apt-get install vim vim-doc vim-scripts wget curl git
sudo apt-get dist-upgrade
sudo reboot

---The next few lines I setup my server authentication and other misc profile settings you can skip until sudo apt-get

ssh-keygen

echo "ssh-rsa AA...1Q== " >>  .ssh/authorized_keys

echo ":set mouse=" >> .vimrc
echo "set nocompatible" >> .vimrc

vi .bashrc

sudo visudo  ---- tom ALL=(ALL) NOPASSWD:ALL

sudo vi /etc/ssh/sshd_config  -  Enable 'PermitRootLogin prohibit-password' and 'PasswordAuthentication no'

sudo apt-get update
sudo apt install apt-transport-https ca-certificates curl gnupg2 software-properties-common
curl -fsSL https://download.docker.com/linux/debian/gpg | sudo apt-key add -
sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/debian $(lsb_release -cs) stable"
sudo apt update
apt-cache policy docker-ce
sudo apt install docker-ce
sudo systemctl status docker
sudo usermod -aG docker ${USER}
exit

id -nG
docker version
docker info
docker run hello-world

sudo curl -L --fail https://github.com/docker/compose/releases/download/1.23.1/run.sh -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose

wget -qO- https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor > microsoft.asc.gpg
sudo mv microsoft.asc.gpg /etc/apt/trusted.gpg.d/
wget -q https://packages.microsoft.com/config/debian/9/prod.list
sudo mv prod.list /etc/apt/sources.list.d/microsoft-prod.list
sudo chown root:root /etc/apt/trusted.gpg.d/microsoft.asc.gpg
sudo chown root:root /etc/apt/sources.list.d/microsoft-prod.list

curl -s -o bitwarden.sh https://raw.githubusercontent.com/bitwarden/core/master/scripts/bitwarden.sh && sudo chmod u+x bitwarden.sh
./bitwarden.sh install

sudo apt-get update
sudo apt-get install dotnet-sdk-2.1

git clone https://github.com/online-stuff/BitBetter.git

cd BitBetter/src/licenseGen/
dotnet add package Newtonsoft.Json --version 11.0.0 

cd ~/BitBetter/src/bitBetter
dotnet add package Newtonsoft.Json --version 11.0.0 

cd ~/BitBetter/.keys
rm *

openssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert.cert -days 36500 -outform DER -passout pass:test
openssl x509 -inform DER -in cert.cert -out cert.pem
openssl pkcs12 -export -out cert.pfx -inkey key.pem -in cert.pem -passin pass:test -passout pass:test


cd ~/BitBetter
./build.sh

cd src/licenseGen/
./build.sh

cd ~

vi ~/bwdata/docker/docker-compose.yml   -  Change image: bitwarden/api:1.26.0 to image: bitbetter/api
vi ~/bwdata/env/global.override.env    -  Enter mail__smtp relay settings
vi ~/bwdata/scripts/run.sh   -   function restart() {   dockerComposePull to  #dockerComposePull

./bitwarden start

----Server should be up and running..  Create a user account

cd ~/BitBetter/src/licenseGen/
./build.sh
./run.sh ~/BitBetter/.keys/cert.pfx user "Name" "EMail" "User-GUID"
	Get User-GUID from the admin portal of the BitWarden server

./run.sh ~/BitBetter/.keys/cert.pfx org "Name" "EMail" "Install-ID used to install the server from bitwarden.com/host"