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devenv — Fast, declarative, reproducible, and composable developer environments using Nix. More information:

Submitted by: @import:tldr-pages·Mar 2, 2026·

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Problem

How to use the devenv command: Fast, declarative, reproducible, and composable developer environments using Nix. More information: <https://devenv.sh/getting-started/#commands>.

Solution

devenv — Fast, declarative, reproducible, and composable developer environments using Nix. More information: <https://devenv.sh/getting-started/#commands>.

Initialize the environment:

devenv init

Enter the Development Environment with relaxed hermeticity (state of being airtight):

devenv shell --impure

Get detailed information about the current environment:

devenv info --verbose

Start processes with devenv:

devenv up --config {{path/to/file}}

Clean the environment variables and re-enter the shell in offline mode:

devenv --clean --offline

Delete the previous shell generations:

devenv gc

Code Snippets

Initialize the environment

devenv init

Enter the Development Environment with relaxed hermeticity (state of being airtight)

devenv shell --impure

Get detailed information about the current environment

devenv info --verbose

Start processes with `devenv`

devenv up --config {{path/to/file}}

Clean the environment variables and re-enter the shell in offline mode

devenv --clean --offline

Context

tldr-pages: common/devenv

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