申请地址 https://www.vultr.com/free-tier-program/
配置
免费时效
根据官宣里面的 FAQ ，目前暂时是永久，未来会怎样，先跑一段时间再说。
How long will the “early access” continue?
As we roll out the program, we will be adjusting and fine-tuning as we go. We have no hard dates at this point, but we’re looking forward to helping you test and grow.
