update(docker): remove minimal image

[leogr]

Signed-off-by: Leonardo Grasso me@leonardograsso.com

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Any specific area of the project related to this PR?

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What this PR does / why we need it:

As per "Falco Artifacts Scope" proposal 👉 #1184

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

• There's no reference to it on the web site (except for the changelog part of two blog posts
• It is not used by integrations nor examples
• The helm chart does not use it

PS
Since the multi-stage build approach used by this minimal image seems still valid to me, I would propose - in another PR - to refactor the current docker/slim/Dockerfile in the same way but once we have decided the proper naming of these images.

/cc @fntlnz
/cc @kris-nova
/cc @leodido

Does this PR introduce a user-facing change?:

update(docker): remove `minimal` image

[leogr]

/hold
for #1184

[poiana]

LGTM label has been added.

Git tree hash: ae5cfbd55fc6daa33e2042eac223a10aab05d09f

[leogr]

/hold cancel

[leogr]

Rebased.

[poiana]

LGTM label has been added.

Git tree hash: b81a7c94ce6288a76ee79324b7da12a981b40da6

[leogr]

/honk
🦅

[poiana]

@leogr:

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/honk
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[poiana]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: fntlnz, leodido

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[JPLachance]

I just found this PR and it makes me a little bit sad.

This image was a cool experiment made @mfdii. The goal was to reduce the amount of packages shipped in the Falco container image to easily pass container images scanners like Clair or Snyk.

A quick scan with Snyk of the falcosecurity/falco:0.22.1-slim Docker image reveals there are 103 known vulnerabilities in the image. The "minimal" image fixed that.

[leogr]

Hey @JPLachance
this PR was just an intermediate step, the content of the old minimal will be re-published as falcosecurity/falco-no-driver as proposed here https://github.com/falcosecurity/falco/blob/master/proposals/20200506-artifacts-scope-part-2.md#images

I believe we can do this before the next release.
So the only breaking change will be just to change the image name.
WDYT?

[JPLachance]

Great then! I'll be happy to test te new image once we will have a way to load the probe :D

#897