#!/bin/bash
# dokku-setup.sh.sample - Set up Dokku app for firehose
#
# USAGE:
#   1. Copy to dokku-setup.sh: cp dokku-setup.sh.sample dokku-setup.sh
#   2. Fill in any empty strings below
#   3. Run on Dokku server: ./dokku-setup.sh
#
# Do NOT commit dokku-setup.sh (contains secrets)

set -e

APP="firehose"        # <-- change to your desired Dokku app name / hostname
DB_NAME="firehose_db" # <-- valid chars: [A-Za-z0-9_] only
PHX_HOST="$APP"       # <-- change to your full domain, e.g., firehose.example.com

# Auto-generate secrets
SECRET_KEY_BASE=$(openssl rand -base64 64 | tr -d '\n')

echo "==> Creating Dokku app: $APP"
dokku apps:create "$APP" || echo "App may already exist"

echo "==> Creating PostgreSQL database"
dokku postgres:create "${DB_NAME}" || echo "Database may already exist"
dokku postgres:link "${DB_NAME}" "$APP" || echo "Database may already be linked"

echo "==> Setting environment variables"
dokku config:set --no-restart "$APP" \
  SECRET_KEY_BASE="$SECRET_KEY_BASE" \
  PHX_HOST="$PHX_HOST" \
  PORT="4000"

echo ""
echo "==> Setup complete!"
echo ""
echo "DATABASE_URL was set automatically by postgres:link."
echo ""
echo "Next steps:"
echo "  1. From your local machine, add the git remote:"
echo "     git remote add dokku dokku@YOUR_SERVER:$APP"
echo ""
echo "  2. Push to deploy:"
echo "     git push dokku main"
echo "     (migrations run automatically via app.json postdeploy)"
echo ""
echo "  3. Set up SSL (after first deploy):"
echo "     dokku letsencrypt:enable $APP"