Merge pull request #3 from Cryptophobia/master

chore(Makefile): move to hephy/go-dev:v1.27.1

Author: Cryptophobia

Makefile

@@ -8,7 +8,7 @@ else
 	GOOS=linux
 endif
 
-DEV_ENV_IMAGE := hephy/go-dev:v1.26.2
+DEV_ENV_IMAGE := hephy/go-dev:v1.27.1
 DEV_ENV_WORK_DIR := /go/src/${REPO_PATH}
 DEV_ENV_PREFIX := docker run --rm -e GO15VENDOREXPERIMENT=1 -v ${CURDIR}:${DEV_ENV_WORK_DIR} -w ${DEV_ENV_WORK_DIR}
 DEV_ENV_CMD := ${DEV_ENV_PREFIX} ${DEV_ENV_IMAGE}