Merge pull request #387 from samanthajayasinghe/fix-build-image

Update dockerfile to exclude all arch binaries

Dockerfile

@@ -59,7 +59,7 @@ WORKDIR /oc
 # Download the checksum
 RUN curl -sSLf ${OC_URL}/sha256sum.txt -o sha256sum.txt
 # Download the amd64 binary tarball
-RUN curl -sSLf -O ${OC_URL}/$(awk -v asset="openshift-client-linux" '$0~asset {print $2}' sha256sum.txt | grep -v arm64 | grep -v rhel)
+RUN curl -sSLf -O ${OC_URL}/$(awk -v asset="openshift-client-linux" '$0~asset {print $2}' sha256sum.txt | grep -v arm64 | grep -v ppc64 | grep -v amd64)
 # Check the tarball and checksum match
 RUN sha256sum --check --ignore-missing sha256sum.txt
 RUN tar --extract --gunzip --no-same-owner --directory /out oc --file *.tar.gz