New Relic offers a generous free tier of 100GB data ingestion. But with default 30s scrape duration, it can get used up pretty fast. You can change the scrape duration by editing the configuration as described in this article.

The proxy protocol is an internet protocol that is used to carry connection information from the source requesting the connection to the destination for which the connection was requested.

This tutorial walk you through using a validation function pattern to allow users to choose validations they want to perform

The shasum check is recommended to ensure the binary you are installing and using has not been changed by attackers. Its especially very important in CI/CD tools where automation is used to download tools from public internet.