Makefile fix

Makefile

@@ -1,7 +1,7 @@
 # Makefile for royalroadupdates — builds entirely inside Docker.
 
 PWD := $(shell pwd)
-DOCKER_RUN := docker run --rm -v $(PWD):/src -w /src golang:1.22
+DOCKER_RUN := docker run --rm -v $(PWD):/src -w /src -e HOME=/tmp -e GOCACHE=/tmp/go-build -e GOMODCACHE=/tmp/go-mod --user $(shell id -u):$(shell id -g) golang:1.22
 
 .PHONY: build check clean
 
@@ -14,6 +14,7 @@ build:
 			exit 1; \
 		fi; \
 		go build \
+			-buildvcs=false \
 			-ldflags "-X main.PBURL=$${PB_URL} -X main.PBUser=$${PB_USER} -X main.PBPassword=$${PB_PASSWORD} -X main.PBCategory=$${PB_CATEGORY}" \
 			-o royalroadupdates \
 			./cmd/royalroadupdates'
@@ -25,8 +26,8 @@ check:
 		export PB_URL PB_USER PB_PASSWORD PB_CATEGORY; \
 		d=$$(gofmt -l .); \
 		if [ -n "$$d" ]; then echo "format errors:"; echo "$$d"; exit 1; fi; \
-		go vet ./...; \
-		go test ./...'
+		go vet -buildvcs=false ./...; \
+		go test -buildvcs=false ./...'
 
 clean:
 	rm -f royalroadupdates