chore: update node:8.11.2-alpine docker digest to 04d1f7

chore: update node:8.11.1-alpine docker digest to dcee83

In alpine linux, the `/usr/src` dir is already configured to allow system users read access. Keeping the ownership to root, but permitting the `node` user read access.

**Note**: Maybe a breaking change if users are mounting to `/src` path on docker run.

fix: update dockerfile node image 8.11.0-alpine digest (8af2ad)

This reverts commit 81b6d7a9.

New alpine node images has problem finding `yarn`.

Trying again to close #1642

Docker's build process doesn't allow you to ADD or COPY files from outside the directory tree. e.g. `ADD ../package.json .` is forbidden. The only option I can see is to move it and `hooks` back into the project root.

Adds a Dockerfile for building with Docker Hub