Create new TYPO3 instances in seconds. It is based on DDEV.

typo3-init.sh

#!/bin/bash

# Open dialog to ask for application name
dialog --title "Application Name" --inputbox "Enter the name of the application" 8 60 2> /tmp/appname
appname=$(cat /tmp/appname)

# Open dialog to select application version from 9 to 12
dialog --title "Application Version" --radiolist "Select the version of the application" 20 51 4 9 "TYPO3 9" on 10 "TYPO3 10" off 11 "TYPO3 11" off 12 "TYPO3 12" off 2> /tmp/appversion
appversion=$(cat /tmp/appversion)

# Create app directory
mkdir ./$(cat /tmp/appname)

# Change to app directory
cd ./$(cat /tmp/appname)

# Create app
ddev config --project-type=typo3 --docroot=public --create-docroot
ddev config --php-version 8.0

# Installation
ddev composer create "typo3/cms-base-distribution:^$(cat /tmp/appversion)" --no-interaction

## Install introduction package
ddev composer require typo3/cms-introduction -W

# Setup with CLI
ddev typo3cms install:setup \
      --force \
      --no-interaction \
      --skip-integrity-check \
      --database-driver=mysqli \
      --database-socket="" \
      --database-user-name=db \
      --database-user-password=db \
      --database-host-name=ddev-t3-cli-install-db \
      --database-port=3306 \
      --database-name=db \
      --use-existing-database \
      --admin-user-name=admin \
      --admin-password=admin123 \
      --site-setup-type=no \
      --site-base-url="/" \
      --site-setup-type="no" \
      --web-server-config="apache" \
      --site-name="${appname}"

ddev describe
ddev launch

With dialog looks like so: