# build date epoch

Published articles for build date epoch.

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## Designing build date epoch in Chainguard Images

DevFeed: [Designing build date epoch in Chainguard Images](<https://devfeed.tech/articles/designing-build-date-epoch-in-chainguard-images-13019.md>)

Original publisher: [Read original article](<https://www.chainguard.dev/unchained/designing-build-date-epoch-in-chainguard-images>)

Published: 2023-06-08T00:00:00Z

Content type: article

Language: en

Sources: [Chainguard: Unchained](<https://devfeed.tech/sources/chainguard-unchained.md>)

Topics: [chainguard images](<https://devfeed.tech/topics/chainguard-images.md>), [container images](<https://devfeed.tech/topics/container-images.md>), [Git](<https://devfeed.tech/topics/git.md>), [configuration](<https://devfeed.tech/topics/configuration.md>), [APK](<https://devfeed.tech/topics/apk.md>)

Tags: [apk](<https://devfeed.tech/tags/apk.md>), [build-date-epoch](<https://devfeed.tech/tags/build-date-epoch.md>), [chainguard-images](<https://devfeed.tech/tags/chainguard-images.md>), [container-image](<https://devfeed.tech/tags/container-image.md>), [cves](<https://devfeed.tech/tags/cves.md>), [git](<https://devfeed.tech/tags/git.md>), [images](<https://devfeed.tech/tags/images.md>), [secure-image](<https://devfeed.tech/tags/secure-image.md>), [wolfi](<https://devfeed.tech/tags/wolfi.md>)

### AI overview

This article explains how Chainguard Images use deterministic timestamps to remain reproducible without displaying a misleading 1970 creation date. It describes source date epoch, Git commit timestamps, APK package metadata, and the additional build date epoch considerations when images incorporate newer packages to address CVEs.

### Source excerpt

Learn how we make Chainguard Images reproducible using build date epoch.