Remove use of GNU date extensions when labeling images

Fixes #197
2019-12-02 12:17:40 -08:00 · 2019-12-02 12:17:40 -08:00 · 66e90428b5
commit 66e90428b5
parent c083baf640
1 changed files with 1 additions and 1 deletions
--- a/build.sh
+++ b/build.sh
@ -152,7 +152,7 @@ fi
 ###
 # variables for labelling the docker image
 ###
-BUILD_DATE="$(date --utc --iso-8601=minutes)"
+BUILD_DATE="$(date -u '+%Y-%m-%dT%H:%M+00:00')"

 if [ -d ".git" ]; then
  GIT_REF="$(git rev-parse HEAD)"