Updating process env using pm2

[ruby furnace]

Im trying to change env a process (using pm2.restart() ex: pm2.restart(processId, {env: ... }) ) but it says Error: Using --env [env] without passing the ecosystem.config.js does not work

[dawn matrix]

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[mighty hinge]

https://pm2.io/docs/runtime/best-practices/environment-variables/

the env option refers to the pm2 environment, and not the environment variables available to the process

[ruby furnace]

so whats the right usage

[mighty hinge]

its in the page i sent

through the cli, its --update-env

[ruby furnace]

i dont use pm2 through commands
i use it through functions

[mighty hinge]

seems like what you're looking for is pm2.reload(processId, { updateEnv: true })

https://github.com/Unitech/pm2/blob/c4032e261a65bf7399d51370884f0d7e5c5f9c9a/types/index.d.ts#L114
https://github.com/Unitech/pm2/blob/c4032e261a65bf7399d51370884f0d7e5c5f9c9a/types/index.d.ts#L447C3-L453

this will update the env using the values available in process.env

[ruby furnace]

i will restart it from another process, how i will change the env ?

[green panther]

the main process can just edit the env file through fs

[ruby furnace]

can u send me an example please ?

[green panther]

https://nodejs.org/en/learn/manipulating-files/writing-files-with-nodejs

[ruby furnace]

how i will edit the env object

or have access to it