fix: Dockerfile do chown operation as part of COPY (#952)

One less layer in the container image

Co-authored-by: Christoph Bühler <[email protected]>

Author: kimsondrup

src/KubeOps.Cli/Generators/DockerfileGenerator.cs

@@ -25,8 +25,7 @@ COPY ./ ./
              RUN addgroup k8s-operator && useradd -G k8s-operator operator-user
 
              WORKDIR /operator
-             COPY --from=build /operator/out/ ./
-             RUN chown operator-user:k8s-operator -R .
+             COPY --chown=operator-user:k8s-operator --from=build /operator/out/ ./
 
              USER operator-user