import os
from flask import Blueprint, jsonify

version_bp = Blueprint("version", __name__)


@version_bp.get("/api/version")
def get_version():
    """Returns the running image tag — injected at deploy time via IMAGE_TAG env var."""
    return jsonify({
        "version": os.environ.get("IMAGE_TAG", "dev"),
        "env":     os.environ.get("FLASK_ENV", "development"),
    })