How to start a Plasmic project on Linux?

hi all, Im trying to run a plasmic project on my linux server with yarn react-scripts start but I need to run on a different port that 3000. How do I do that?
I tried set PORT=3005 && yarn react-scripts start but I still get a notice that something is already running on port 3000. I want to autostart this process with pm2 which can’t answer interactive questions. Any way to configure the port?

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never mind, just found the answer PORT=3005 yarn react-scripts start for me… (or npm run start for others) so no && and no SET needed