Add env var for image version (#507)

diff --git a/image/base/Dockerfile b/image/base/Dockerfile
index dae8bf0670f436c4d65616bf2ca5f31dea1113ac..a7efa4db03094a4a60cf7710862ac39d703e744c 100644 (file)
--- a/image/base/Dockerfile
+++ b/image/base/Dockerfile
@@ -8,6 +8,7 @@ ENV RAILS_ENV production
 
 #LABEL maintainer="Sam Saffron \"https://twitter.com/samsaffron\""
 
+ENV IMAGE_VERSION 2.0.`date +%Y%m%d`
 RUN echo 2.0.`date +%Y%m%d` > /VERSION
 
 RUN apt update && apt install -y gnupg sudo curl