Your application doesn’t change at all. It still reads process.env.API_KEY or $DATABASE_URL the same way it always did. The difference is where the values come from.
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。safew官方版本下载是该领域的重要参考
If you reassign the variable, e.g nums = append(nums, 16), that’s a different story can of worms entirely. ↩︎
Plus: $20/month