release teag

Dockerfile

@@ -1,9 +1,11 @@
 # builder
 FROM hugomods/hugo:base-non-root AS builder
 ARG BASE_URL ""
+ARG RELEASETAG "unset"
 # --chown is required since kaniko in woodpecker otherwise copies as root and 
 # the hugo command below fails since it is executed as hugo
 COPY --chown=hugo:hugo content/ /src
+RUN sed -i 's/%RELEASETAG%/'${RELEASETAG}'/' /src/content/about.md
 RUN if [ "$BASE_URL" = ""]; then hugo; else hugo -b $BASE_URL; fi 
 
 # server