move codeowners and update dockerfile

[andymeierdev]

Summary

• move CODEOWNERS into .github/CODEOWNERS
• update sln/Dockerfile to match the newer multi-platform pattern used in ../andymeier/app/Dockerfile
• switch the Docker build to use the sln/ context pattern verified during local smoke testing

Testing

• docker build -f sln/Dockerfile sln
• cd pulumi && pulumi preview
• cd pulumi && pulumi up --yes

[github-actions]

🍹 preview on fsharp-view-engine/prod

Pulumi report

View in Pulumi Cloud

  Previewing update (prod)

View Live: https://app.pulumi.com/meiermade/fsharp-view-engine/prod/previews/e3263ab9-4739-44eb-b18a-95701f230953

pulumi:pulumi:Stack: (same)
  [urn=urn:pulumi:prod::fsharp-view-engine::pulumi:pulumi:Stack::fsharp-view-engine-prod]
  ~ docker-build:index:Image: (update)
      [id=sha256:6560af848738fff6c7f31e2b1e44eb2f751aac27dc268bb8f7ad4af0746c5155]
      [urn=urn:pulumi:prod::fsharp-view-engine::docker-build:index:Image::fsharpviewengine]
    ~ cacheFrom : [
        + [0]: {
                + disabled: false
                + gha     : {
                    + scope: "buildkit"
                  }
                + raw     : ""
              }
      ]
    ~ cacheTo   : [
        + [0]: {
                + disabled: false
                + gha     : {
                    + ignoreError: true
                    + mode       : "max"
                    + scope      : "buildkit"
                  }
                + raw     : ""
              }
      ]
    ~ context   : {
        ~ location: "/Users/andy/repos/meiermade/FSharp.ViewEngine/sln" => "/home/runner/work/FSharp.ViewEngine/FSharp.ViewEngine/sln"
      }
    ~ dockerfile: {
        ~ location: "/Users/andy/repos/meiermade/FSharp.ViewEngine/sln/Dockerfile" => "/home/runner/work/FSharp.ViewEngine/FSharp.ViewEngine/sln/Dockerfile"
      }
  ~ kubernetes:apps/v1:Deployment: (update)
      [id=fsharpviewengine/fsharpviewengine]
      [urn=urn:pulumi:prod::fsharp-view-engine::kubernetes:apps/v1:Deployment::fsharpviewengine]
    ~ spec: {
        ~ template: {
            ~ spec: {
                ~ containers: [
                    ~ [0]: {
                            ~ image: "us-east1-docker.pkg.dev/meiermade-platform/platform/fsharpviewengine:latest@sha256:de6c5673a5f70b171b5a7aafbd43726b021deb3535528411ed8a3e9d4bd67309" => [unknown]
                          }
                  ]
              }
          }
      }
Resources:
  ~ 2 to update
  8 unchanged