Generator to create basic authentication string for traefik (docker-compose.yml and .env)

create_docker_compose_basic_auth_string_for_traefik.sh

#!/usr/bin/env bash

command -v docker >/dev/null 2>&1 || { echo >&2 "I require Docker but it's not installed. Aborting."; exit 1; }

echo "Basic auth for traefik >= v1.7"
read -p "User: "  USER
read -p "Password: "  PW
# Pull httpd:alpine image (small and includes httpasswd)
docker pull httpd:alpine >/dev/null 2>&1

# Generate strings
echo "------- Your string for configuration file (YAML/TOML) --------"
string=$(docker run --rm -i -t httpd:alpine htpasswd -nbB $USER $PW)
echo $string
echo "------- Your string for docker-compose.yml --------"
# Escape string
echo "$string" | sed -e 's/\$/\$\$/g'