Throughout the Go monorepo we use context.WithValue() to "stash" a global
value on a root context. For example
ctx = logger.WithLogger(ctx, log)
// ... later ...
log := logger.GetLogger(ctx)
The implementations for stashing a logger.Log are in the same general form
as most context wrapping helpers:
type loggerKey …For most applications that use a database, user-facing queries must
complete in a reasonable amount of time. In order to ensure a maximum
query time, PostgreSQL supports a statement_timeout which will cause a
query to be cancelled if it exceeds the timeout:
$ psql
monsters_inc=> SHOW statement_timeout;
statement_timeout …
To understand why it's helpful to import external keys into Vault, it's important to understand
TL;DR: Using the
cafield to specify custom CAs (certificate authorities) in Node.js is a footgun. It replaces (rather than appends to) the root trust store which can lead to unintended consequences. I've seen this behavior cause outages in production when a third party server does a routine …
This is a story of a brief outage caused by a slightly unintuitive API1 that has some very sharp corners for the uninitiated. The outage, though brief, was of the "wake up at 4am" variety so the lesson was especially salient.
This is not a post trying to tear …