prepare production env. for site

[kesar]

instead of using yarn dev it should build and execute code perhaps use docker make sure .envs are the right ones new DB

[philipep-galdino]

PM2 has a feature for separating environments tho (https://pm2.keymetrics.io/docs/usage/environment/) might be useful in this case, we can probably even point out which .env to use depending on what environment we're in