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Tool versionsenv zero updates tool versions periodically for security or end-of-life (EOL) reasons. Customers will be notified before any update with breaking changes.To check the current version of any tool, run an ad hoc task with the relevant command, for example:

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The base image

The deployment agent is based on node:22.16.0-alpine3.20.
If you are using a self-hosted agent, you can bring your own Docker image by extending env zero’s default image. See Extending the deployment image.

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Pre-installed tools

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OS utils

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Package managers

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Software

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Cloud

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Adding additional binaries on the fly

You can download any binary using curl in any deployment step and place it under the opt folder if it needs to be in your PATH. apk add, pip install, and npm install are also accessible via sudo.

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Next steps