upstream-opm-builder.Dockerfile: add bash and ca-certificates to runtime index image

Author: joelanford

upstream-opm-builder.Dockerfile

@@ -13,6 +13,7 @@ RUN GRPC_HEALTH_PROBE_VERSION=v0.2.1 && \
     wget -qO/bin/grpc_health_probe https://github.com/grpc-ecosystem/grpc-health-probe/releases/download/${GRPC_HEALTH_PROBE_VERSION}/grpc_health_probe-linux-$(go env GOARCH) && \
     chmod +x /bin/grpc_health_probe
 
-FROM scratch
+FROM alpine
+RUN apk update && apk add bash ca-certificates
 COPY --from=builder /build/bin/opm /bin/opm
 COPY --from=builder /bin/grpc_health_probe /bin/grpc_health_probe