sh <(curl https://pkgx.sh) +pnpm sh
pnpm install
# create the directory for files that are being uploaded; should stay empty afterward
mkdir uploads
pnpm run migrate

Now set up an AWS S3 bucket & Infura project, and manually set these variables inside a .env file:

AWS_ACCESS_KEY=
AWS_SECRET_KEY=
AWS_REGION=

INFURA_PROJECT_ID=

dev

node server.js

test

curl -X POST -F "image=@./test.png" http://localhost:3000/image

deploy to prod first time

Do the necessary steps from "setup" above.
In AWS, set up bucket and erase any test data.