#!/usr/bin/env bash

set -euo pipefail

require_env() {
  local name="$1"
  if [[ -z "${!name:-}" ]]; then
    echo "Missing required environment variable: $name" >&2
    exit 1
  fi
}

require_env "GHCR_USERNAME"
require_env "GHCR_READ_TOKEN"
require_env "GHCR_OWNER"
require_env "IMAGE_TAG"

if [[ ! -f ".env" ]]; then
  echo "Missing .env in deployment directory. Create it from devops/.env.production.example." >&2
  exit 1
fi

echo "${GHCR_READ_TOKEN}" | docker login ghcr.io -u "${GHCR_USERNAME}" --password-stdin

IMAGE_TAG="${IMAGE_TAG}" GHCR_OWNER="${GHCR_OWNER}" docker compose -f docker-compose.prod.yml --env-file .env pull
IMAGE_TAG="${IMAGE_TAG}" GHCR_OWNER="${GHCR_OWNER}" docker compose -f docker-compose.prod.yml --env-file .env up -d --remove-orphans

docker compose -f docker-compose.prod.yml --env-file .env ps