Build: Fix multi-arch docker builds

Change-Id: I3968065215b696256ee819e2062ab1d3cadfcbcf
diff --git a/core/dns-api/Makefile b/core/dns-api/Makefile
index bd78618..8bef469 100644
--- a/core/dns-api/Makefile
+++ b/core/dns-api/Makefile
@@ -1,5 +1,6 @@
 repo_name ?= dtabidze
 podman ?= docker
+docker_flags=--provenance=false --sbom=false
 ifeq ($(podman), podman)
 manifest_dest=docker://docker.io/$(repo_name)/dns-api:latest
 endif
@@ -26,14 +27,13 @@
 	/usr/local/go/bin/go build -o dns-api_amd64 *.go
 
 push_arm64: clean build_arm64
-	$(podman) build --platform linux/arm64 --tag=giolekva/dns-api:arm64 .
+	$(podman) build --platform linux/arm64 --tag=giolekva/dns-api:arm64 $(docker_flags) .
 	$(podman) push giolekva/dns-api:arm64
 
 push_amd64: clean build_amd64
-	$(podman) build --platform linux/amd64 --tag=giolekva/dns-api:amd64 .
+	$(podman) build --platform linux/amd64 --tag=giolekva/dns-api:amd64 $(docker_flags) .
 	$(podman) push giolekva/dns-api:amd64
 
 push: push_arm64 push_amd64
 	$(podman) manifest create giolekva/dns-api:latest giolekva/dns-api:arm64 giolekva/dns-api:amd64
-	$(podman) manifest push giolekva/dns-api:latest $(manifest_dest)
-	$(podman) manifest rm giolekva/dns-api:latest
+	$(podman) manifest push --purge giolekva/dns-api:latest $(manifest_dest)