use root

Makefile

@@ -271,8 +271,8 @@ endif
 
 HTTPS_GIT := https://github.com/crypto-org-chain/cronos.git
 protoVer=0.14.0
-protoImageName=cosmossdk-proto
-protoImage=$(DOCKER) run --rm -v $(CURDIR):/workspace --workdir /workspace --user root $(protoImageName)
+protoImageName=ghcr.io/cosmos/proto-builder:$(protoVer)
+protoImage=$(DOCKER) run --rm -v "$(CURDIR)":/workspace --workdir /workspace --user root $(protoImageName)
 
 # ------
 # NOTE: If you are experiencing problems running these commands, try deleting
@@ -281,8 +281,7 @@ protoImage=$(DOCKER) run --rm -v $(CURDIR):/workspace --workdir /workspace --use
 proto-all: proto-format proto-lint proto-gen
 
 proto-gen:
-	@echo "Generating Protobuf files ${CURDIR}"
-	$(DOCKER) build --pull --rm -f "contrib/devtools/Dockerfile" -t cosmossdk-proto:latest "contrib/devtools"
+	@echo "Generating Protobuf files"
 	$(protoImage) sh ./scripts/protocgen.sh
 
 proto-lint: