At least merging can happen by sourcing .env files in order (last to be sourced has priority) But I do agree that at some point you want a tool to orchestrate

At least merging can happen by sourcing .env files in order (last to be sourced has priority) But I do agree that at some point you want a tool to orchestrate these things and guide your usage so you don’t have to reinvent the same lines of code all the item