run.sh

#!/usr/bin/env bash
set -euo pipefail

ROOT_DIR="$(cd "$(dirname "$0")" && pwd)"
VENV_DIR="$ROOT_DIR/.venv"

choose_python() {
  local candidates=(python3.13 python3.12 python3.11 python3.10 python3)
  for py in "${candidates[@]}"; do
    if command -v "$py" >/dev/null 2>&1; then
      echo "$py"
      return 0
    fi
  done
  return 1
}

PYTHON_BIN="$(choose_python || true)"
if [[ -z "${PYTHON_BIN:-}" ]]; then
  echo "No suitable Python interpreter found." >&2
  exit 1
fi

if [[ -x "$VENV_DIR/bin/python" ]]; then
  VENV_VERSION="$($VENV_DIR/bin/python -c 'import sys; print(f"{sys.version_info.major}.{sys.version_info.minor}")')"
  TARGET_VERSION="$($PYTHON_BIN -c 'import sys; print(f"{sys.version_info.major}.{sys.version_info.minor}")')"
  if [[ "$VENV_VERSION" != "$TARGET_VERSION" ]]; then
    rm -rf "$VENV_DIR"
  fi
fi

if [[ ! -d "$VENV_DIR" ]]; then
  "$PYTHON_BIN" -m venv "$VENV_DIR"
fi

# shellcheck disable=SC1091
source "$VENV_DIR/bin/activate"

pip install -r "$ROOT_DIR/requirements.txt"

exec uvicorn app.main:app --host 0.0.0.0 --port "${PORT:-8000}"