curl -L https://gist.githubusercontent.com/Wytamma/aa0e62be8fa387fb5a45118f5433a91f/raw/ -o traefik.sh

dockerswarm.rocks.treafik.sh

#! /usr/bin/env sh

# Exit in case of error
set -e

while getopts 'hne:d:u:p:c::t::' flag; do
  case "$flag" in
    h)
        echo "This script sets a Traefik Proxy with HTTPS."
        echo "Run this script on the main node after initialising the swarm"
        echo "flags:"
        echo '-n (Create network? Only need to be run first time.)'
        echo '-e (Email, to be used for the generation of Lets Encrypt certificates)'
        echo '-d (Domain you want to use for the Traefik UI (user interface) and the Consul UI of the host)'
        echo '-u (Username (you will use it for the HTTP Basic Auth for Traefik and Consul UIs))'
        echo '-p (Password (you will use it for the HTTP Basic Auth for Traefik and Consul UIs))'
        echo '-c (Consul service replicas (if you dont set it, by default it will be 3))'
        echo '-t (Traefik service replicas (if you dont set it, by default it will be 3))'
        exit 1
        ;;
    n)
        NETWORK=1;;
    e)
        EMAIL=$OPTARG;;
    d)
        DOMAIN=$OPTARG;;
    u)
        USERNAME=$OPTARG;;
    p)
        PASSWORD=$OPTARG;;
    c)
        CONSUL_REPLICAS=$OPTARG;;
    t)
        TRAEFIK_REPLICAS=$OPTARG;;
    :) 
        echo "Missing option argument for -$OPTARG" >&2; 
        exit 1;;
    \?)
        echo "Invalid option: -$OPTARG" >&2
        exit 1
        ;;
  esac
done


if [ $NETWORK ]; then
  # Create a network that will be shared with Traefik and the containers that should be accessible from the outside
  docker network create --driver=overlay traefik-public
fi

# Use openssl to generate the "hashed" version of the password and store it in an environment variable
HASHED_PASSWORD=$(openssl passwd -apr1 $PASSWORD)

# Download the file traefik.yml
curl -L dockerswarm.rocks/traefik.yml -o traefik.yml

# Deploy the stack
EMAIL=${EMAIL} \
DOMAIN=${DOMAIN} \
HASHED_PASSWORD=${HASHED_PASSWORD} \
PASSWORD=${PASSWORD} \
CONSUL_REPLICAS=${CONSUL_REPLICAS} \
TRAEFIK_REPLICAS=${TRAEFIK_REPLICAS} \
docker stack deploy -c traefik.yml traefik-consul

# Check if the stack was deployed
docker stack ps traefik-consul