create-site.sh

#!/bin/bash
# ----------------------------------------------------------------------------
#  Joomla Docker CLI - Create Site Script
#  Author: Siddiqur
#  Description: Interactive script to create new Joomla sites on unique ports.
# ----------------------------------------------------------------------------

set -e 

SITE_NAME=$1
ADMIN_USERNAME=$2
ADMIN_EMAIL=$3
ADMIN_PASSWORD=$4

# Interactive Mode: Prompt for missing arguments
if [[ -z "$SITE_NAME" ]]; then
    read -p "Enter Site Name: " SITE_NAME
fi

if [[ -z "$SITE_NAME" ]]; then
    echo "Site Name is Required"
    exit 1;
fi

if [[ -z "$ADMIN_USERNAME" ]]; then 
    read -p "Enter Admin Username (default: dev): " input_user
    ADMIN_USERNAME=${input_user:-dev}
fi

if [[ -z "$ADMIN_EMAIL" ]]; then 
    read -p "Enter Admin Email (default: dev@mail.com): " input_email
    ADMIN_EMAIL=${input_email:-dev@mail.com}
fi

if [[ -z "$ADMIN_PASSWORD" ]]; then
    # Generate random password if not provided
    ADMIN_PASSWORD=$(tr -dc 'A-Za-z0-9' < /dev/urandom | head -c 15 )
    echo "Generated Password: $ADMIN_PASSWORD"
elif [[ ${#ADMIN_PASSWORD} -lt 12 ]]; then
    echo "Password must be longer than 12 characters"
    exit 1;
fi

# Port Allocation Logic: Find first available port starting from 8080
BASE_PORT=8080
PORT=$BASE_PORT

echo "Allocating port..."
while true; do
    # Check if this PORT is used in any docker-compose file in ./sites
    # We look for the pattern "- PORT:80" specifically.
    if grep -r "\- $PORT:80" ./sites >/dev/null 2>&1; then
        PORT=$((PORT+1))
    else
        echo "Found available port: $PORT"
        break
    fi
done


# create a folder from the site name
if [ ! -d ./sites/$SITE_NAME ]; then
    mkdir -p ./sites/$SITE_NAME/
fi

# copy the template to compose file inside the site folder if it doesn't exist
if [ ! -f ./sites/$SITE_NAME/compose.yml ]; then
    cp ./template.yml ./sites/$SITE_NAME/compose.yml
fi

# replace template.yml variable value with bash variable value
# Using sed -i '' for macOS compatibility (BSD sed)
sed -i '' "s/SITENAME/$SITE_NAME/g" ./sites/$SITE_NAME/compose.yml
sed -i '' "s/JOOMLA_USERNAME/$ADMIN_USERNAME/g" ./sites/$SITE_NAME/compose.yml
sed -i '' "s/JOOMLA_PASSWORD/$ADMIN_PASSWORD/g" ./sites/$SITE_NAME/compose.yml
sed -i '' "s/JOOMLA_MAIL/$ADMIN_EMAIL/g" ./sites/$SITE_NAME/compose.yml
sed -i '' "s/JOOMLA_PORT/$PORT/g" ./sites/$SITE_NAME/compose.yml

# run docker compose up to run the services
cd ./sites/$SITE_NAME
docker compose up -d

SITE_URL="http://localhost:$PORT"

echo "Preparing your website. Please wait...."
sleep 10

echo "Your website is ready 🎉"
echo "Site url: $SITE_URL"
echo "Your site username: $ADMIN_USERNAME"
echo "Your site email   : $ADMIN_EMAIL"
echo "Your site password: $ADMIN_PASSWORD"