function GET(req)
    local name = req.query.name or "Stranger"
    local role = req.query.role or "Guest"

    local greetings = {
        "Welcome, " .. name .. "!",
        "You are logged in as " .. role,
        "Today is a great day.",
    }

    return 200, {
        template = "greeting.jinja2",
        name     = name,
        role     = role,
        greetings = greetings,
        timestamp = os.date("%Y-%m-%d %H:%M:%S"),
    }
end