Also use hashFromEnv for oauth2-proxy overlay

[codablock]

Description of your changes:
Same as cd991e6

Checklist:

• Unit tests pass:
  Make sure you have installed kustomize == 5.2.1+
  1. make generate-changed-only
  2. make test

[kromanow94]

I deployed this on kind + WSL on my local environment. I confirm the dex is working properly.

Thanks for taking care of this.

[juliusvonkohout]

/hold

CC @diegolovison since we might need to update the main readme.md documentation.

[diegolovison]

Hi. I am not familiar with that code change. In the readme there are 3 entries with 12341234

What exactly this code is changing?

[kromanow94]

@diegolovison it's about referencing the same value from env instead of providing as plaintext. It's more secure. Please see:

common/dex/base/dex-passwords.yaml

[diegolovison]

The values are matching. I believe we don't need to change the readme

[juliusvonkohout]

cd991e6 helped a lot with the decision :-D

/lgtm
/approve

[google-oss-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: codablock, juliusvonkohout

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[juliusvonkohout]

/unhold