Fix Version from Tag not picked up (#705)

web/Dockerfile

@@ -3,6 +3,7 @@ FROM node:20-alpine AS base
 # Default DANSWER_VERSION, typically overriden during builds by GitHub Actions.
 ARG DANSWER_VERSION=0.2-dev
 ENV DANSWER_VERSION=${DANSWER_VERSION}
+RUN echo "DANSWER_VERSION: ${DANSWER_VERSION}"
 
 # Step 1. Install dependencies only when needed
 FROM base AS deps