diff --git a/README.md b/README.md index fe0507d..46cc4c6 100644 --- a/README.md +++ b/README.md @@ -14,6 +14,12 @@ Just drop your scripts into the relevant directory under `/kiwi-cron`, that's it You will likely want to automate some tasks regarding your `docker` infrastructure. That's why the `kiwi-cron` images package a current `docker-cli` – you can just mount your `docker.sock` in its containers and use `docker` commands normally. +## Time Zones + +`kiwi-cron` images include the `tzdata` package and automatically handle `/etc/localtime` on startup. By default, "Etc/UTC" is set as the container time zone. + +To use a different time zone, change the container environment variable `TZ` to your liking, e.g. "Europe/Berlin". + ## Simple jobs On startup, `kiwi-cron` checks for possible job files in the `/kiwi-cron` directory structure. @@ -21,27 +27,21 @@ On startup, `kiwi-cron` checks for possible job files in the `/kiwi-cron` direct For each subdirectory, a random valid cron schedule is generated, so that: - `/kiwi-cron/hourly` runs once every hour (random minute) -- `/kiwi-cron/daily` runs once every day (random nighttime value) +- `/kiwi-cron/daily` runs once every day (random nighttime value between 9 pm and 3 am) - `/kiwi-cron/weekly` runs once every weekend (random nighttime value on Saturday or Sunday) -- `/kiwi-cron/monthly` runs once every month (random nighttime value on a random day) -- `/kiwi-cron/yearly` and `/kiwi-cron/annually` runs once a year (random nighttime value on a random day in January or February) +- `/kiwi-cron/monthly` runs once every month (random nighttime value on a random day <= 28) +- `/kiwi-cron/yearly` and `/kiwi-cron/annually` runs once a year (random nighttime value on a random day <= 28 in January or February) Cron schedules are regenerated once on each startup, only for directories that have files. -## Time Zones - -`kiwi-cron` images include the `tzdata` package and automatically handle `/etc/localtime` on startup. By default, "Etc/UTC" is set as the container time zone. - -To use a different time zone, change the container environment variable `TZ` to your liking, e.g. "Europe/Berlin". - -## Finer granularity: The `/kiwi-cron/every` directory +## Granularity: The `/kiwi-cron/every` directory Directories like `/kiwi-cron/every/5_minutes` will run scripts every 5 minutes. `kiwi-cron` picks up on that format and generates valid `cron` schedules on startup. -You can define schedules to be run every N minutes, hours, days, or months by creating the corresponding directories. +This way, you can define schedules to be run every N minutes, hours, days, or months by creating the corresponding directories. -Scheduling for every N weeks (or years) doesn't work that way; jobs in those directories will instead be run every week (or every year). +Scheduling for every N weeks (or years) doesn't work though; jobs in those directories will instead be run every week (or every year). ## Inspection