remove modcache

Dockerfile

@@ -34,8 +34,6 @@ RUN rm -rf /usr/local/go && \
     tar -C /usr/local -xzf go*.linux-$(uname -m).tar.gz && \
     echo 'export PATH=$PATH:/usr/local/go/bin' >> /etc/profile
 
-RUN mkdir -p "$(go env GOMODCACHE)" && cd $(go env GOMODCACHE) && tar xvf /tmp/modcache.tar && rm /tmp/modcache.tar && cd /tmp
-
 RUN \
     go install -v google.golang.org/protobuf/cmd/protoc-gen-go@v1.28.1 && \
     go install -v github.com/golangci/golangci-lint/cmd/golangci-lint@v1.50.1 && \

Makefile

@@ -15,7 +15,7 @@ default: save
 clean:
 	rm -v $(D)/*.tzst
 
-build: deps/modcache.tar
+build:
 	docker build \
 		-t $(RN):$(GITREV) \
 		-t $(RN):latest \
@@ -42,6 +42,3 @@ push:
 	docker push $(RN):$(GITREV)
 	docker push $(RN):latest
 	docker push $(RN):$(shell git branch --show-current)
-
-deps/modcache.tar:
-	cd $(shell go env GOMODCACHE)/ && tar -c . | pv > $(PWD)/deps/modcache.tar