#!/usr/bin/env bash
# ------------------------------------------------------------------
#  Portainer CE
#  Source:       https://server-installer.de/scripts/portainer
#  Version:      v1.0.4
#  Last updated: 2026-09-15
#  Target OS:    Linux (with Docker)
# ------------------------------------------------------------------
set -euo pipefail

log() { printf '\033[36m==>\033[0m %s\n' "$*"; }

if [[ $EUID -ne 0 ]]; then
  echo "Please run as root (sudo)." >&2
  exit 1
fi

command -v docker >/dev/null || {
  echo "Docker is required. Install it first:" >&2
  echo "  curl -fsSL server-installer.de/scripts/docker | bash" >&2
  exit 1
}

# Arguments
PORT="9443"
while [[ $# -gt 0 ]]; do
  case "$1" in
    --port) PORT="$2"; shift 2 ;;
    *) echo "Unknown argument: $1" >&2; exit 1 ;;
  esac
done

log "Creating volume portainer_data"
docker volume create portainer_data >/dev/null

log "Starting Portainer CE on port ${PORT}"
docker run -d --name portainer --restart=always \
  -p 8000:8000 -p "${PORT}:9443" \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -v portainer_data:/data \
  portainer/portainer-ce:lts

log "Portainer: https://$(hostname -I | awk '{print $1}'):${PORT}"

log "Done."