chore: run with nodejs instead of yarn in Dockerfile

[andreabadesso]

Motivation

The docker image was failing to run in kubernetes because our containers there are read-only

Upon investigation, I found out that corepack and yarn needs to write to fs

This PR changes the Dockerfile to include another stage that only have node installed, copies the installed dependencies and runs the service with the pre-installed nodejs instead of using yarn to run it.

Acceptance Criteria

• We should change the Dockerfile to be multi-stage
• The second stage should only have nodejs installed and run the daemon using it

Checklist

• If you are requesting a merge into master, confirm this code is production-ready and can be included in future releases as soon as it gets merged
• Make sure either the unit tests and/or the QA tests are capable of testing the new features
• Make sure you do not include new dependencies in the project unless strictly necessary and do not include dev-dependencies as production ones. More dependencies increase the possibility of one of them being hijacked and affecting us.