How to Embed the Timezone Database in a Go Application Deployed to Kubernetes?

Embedding Zoneinfo.zip in a Binary

Encountering the error "open C:Go/lib/time/zoneinfo.zip: no such file or directory" while deploying a container application to Kubernetes Engine may indicate a missing timezone database.

To resolve this issue, consider the following approach:

Embedded tzdata Package (Go 1.15 onwards)

Go 1.15 introduced the time/tzdata package, which allows embedding the timezone database into the program.

import _ "time/tzdata"

Alternatively, you can build with -tags timetzdata.

Either method increases the program size by approximately 800 KB. This ensures the program can access timezone information even if the database is unavailable on the Kubernetes Engine.

Caveat:

As noted by dolmen, this solution links the timezone information version to the Go version used for building. Updating the Go version will not update the timezone information. It may be more desirable to update the timezone information separately from the Go version.

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