update dockerfile to go1.10.3

Dockerfile

@@ -4,7 +4,7 @@
 
 FROM ubuntu:17.10
 
-ENV GOLANG_VERSION 1.10
+ENV GOLANG_VERSION 1.10.3
 ENV PATH="/usr/local/go/bin:/usr/local/work/bin:${PATH}"
 ENV GOPATH /usr/local/work
 # RUN apt-get update && apt-get -y upgrade && \
@@ -18,13 +18,13 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install --no-instal
 # this "case" statement is generated via "update.sh"
 	dpkgArch="$(dpkg --print-architecture)"; \
 	case "${dpkgArch##*-}" in \
-		amd64) goRelArch='linux-amd64'; goRelSha256='b5a64335f1490277b585832d1f6c7f8c6c11206cba5cd3f771dcb87b98ad1a33' ;; \
-		armhf) goRelArch='linux-armv6l'; goRelSha256='6ff665a9ab61240cf9f11a07e03e6819e452a618a32ea05bbb2c80182f838f4f' ;; \
-		arm64) goRelArch='linux-arm64'; goRelSha256='efb47e5c0e020b180291379ab625c6ec1c2e9e9b289336bc7169e6aa1da43fd8' ;; \
-		i386) goRelArch='linux-386'; goRelSha256='2d26a9f41fd80eeb445cc454c2ba6b3d0db2fc732c53d7d0427a9f605bfc55a1' ;; \
-		ppc64el) goRelArch='linux-ppc64le'; goRelSha256='a1e22e2fbcb3e551e0bf59d0f8aeb4b3f2df86714f09d2acd260c6597c43beee' ;; \
-		s390x) goRelArch='linux-s390x'; goRelSha256='71cde197e50afe17f097f81153edb450f880267699f22453272d184e0f4681d7' ;; \
-		*) goRelArch='src'; goRelSha256='f3de49289405fda5fd1483a8fe6bd2fa5469e005fd567df64485c4fa000c7f24'; \
+		amd64) goRelArch='linux-amd64'; goRelSha256='fa1b0e45d3b647c252f51f5e1204aba049cde4af177ef9f2181f43004f901035' ;; \
+		armhf) goRelArch='linux-armv6l'; goRelSha256='d3df3fa3d153e81041af24f31a82f86a21cb7b92c1b5552fb621bad0320f06b6' ;; \
+		arm64) goRelArch='linux-arm64'; goRelSha256='355128a05b456c9e68792143801ad18e0431510a53857f640f7b30ba92624ed2' ;; \
+		i386) goRelArch='linux-386'; goRelSha256='3d5fe1932c904a01acb13dae07a5835bffafef38bef9e5a05450c52948ebdeb4' ;; \
+		ppc64el) goRelArch='linux-ppc64le'; goRelSha256='f3640b2f0990a9617c937775f669ee18f10a82e424e5f87a8ce794a6407b8347' ;; \
+		s390x) goRelArch='linux-s390x'; goRelSha256='34385f64651f82fbc11dc43bdc410c2abda237bdef87f3a430d35a508ec3ce0d' ;; \
+		*) goRelArch='src'; goRelSha256='567b1cc66c9704d1c019c50bef946272e911ec6baf244310f87f4e678be155f2'; \
 			echo >&2; echo >&2 "warning: current architecture ($dpkgArch) does not have a corresponding Go binary release; will be building from source"; echo >&2 ;; \
 	esac; \
 	\