diff --git a/makefile b/makefile
index f9fa345..09f0ad7 100644
--- a/makefile
+++ b/makefile
@@ -3,7 +3,8 @@ export DOCKER_BUILDKIT=1
 DOCKERFLAGS:=-it --rm \
 	-v "${PWD}":"/app" \
 	--workdir "/app" \
-	-e "PWD=/app"
+	-e "PWD=/app" \
+	-u $(shell id -u):$(shell id -g)
 
 DOCKERIMG:="rust-build-env:V1"
 
@@ -27,6 +28,10 @@ build_release_arm:
 	docker run ${DOCKERFLAGS} ${DOCKERIMG} /bin/sh -c 'cargo build --release --target=armv7-unknown-linux-gnueabihf'
 .PHONY: build_release_arm
 
+inside:
+	docker run ${DOCKERFLAGS} ${DOCKERIMG} /bin/bash
+.PHONY: inside
+
 docker_build_release_arm:
 	docker run ${DOCKERFLAGS} ${DOCKERIMG} make build_release_arm