deployment – Page 21 – Türker Yıldırım

Terraform 1.0 is a promise about the next five years

Deep diveJune 2, 202110 min read

A version number that is a compatibility statement rather than a feature list. Three environments described by hand, and the import that is most of the work.

Compose v2 is a plugin, and the hyphen finally goes

Deep diveMay 19, 20219 min read

The same command, spelled two ways, on eight machines. A Python program became a Go plugin, and the container names changed underneath every script.

The service that should not have been a service

Deep diveMay 14, 202110 min read

Four services, three of which deploy together and share a database. The costs of distribution with none of the independence.

The dotnet service that finally moved behind the same gateway

Deep diveApril 27, 202110 min read

One service in a different language, with its own auth, its own log format and its own deploy. The language was the least interesting difference.

Octane keeps the application in memory and finds every static you left

Deep diveApril 21, 202110 min read

40ms becomes 8ms, and the fourth request returns another customer’s data. The shared-nothing assumption is load-bearing in more places than anybody had counted.

A named volume that outlives the compose file

NoteApril 16, 20212 min read

docker compose down removes containers and networks and leaves named volumes, which is the safe default and the reason a database survives a version change you did not…

The staging environment that was lying

Deep diveApril 8, 202110 min read

It passed on staging four times and failed in production four times. The same code, a different outcome, and five differences nobody had enumerated.

Time back after a night page, automatically

NoteMarch 30, 20211 min read

“Take the morning if you need it” puts the judgement on the person who was woken up, at the moment they are least able to make it. Making…

Environments and required reviewers as a deploy gate

NoteMarch 29, 20212 min read

An environment attaches secrets and an approval requirement to a job, which puts the gate in the platform rather than in a convention. Scoping the secrets to the…

ALGORITHM=INPLACE, LOCK=NONE, and forcing them to fail loudly

NoteMarch 11, 20212 min read

Online DDL is online for some operations and a full table copy for others, and the only way to be sure is to demand the algorithm you expect.…