Fix: Nur erreichbare Git-Tags für Version verwenden

Dockerfile

@@ -24,12 +24,12 @@ COPY --from=deps /app/node_modules ./node_modules
 COPY . .
 
 # Extract version: use build arg if provided, otherwise get from git, fallback to package.json
+# Only use tags that are reachable from the current commit to ensure version matches the code
 RUN if [ -n "$APP_VERSION" ]; then \
     echo "$APP_VERSION" > /tmp/version.txt; \
     else \
     (git describe --tags --exact-match 2>/dev/null || \
      git describe --tags --abbrev=0 2>/dev/null || \
-     git tag --sort=-version:refname | head -1 2>/dev/null || \
      (grep -o '"version": "[^"]*"' package.json 2>/dev/null | cut -d'"' -f4 | sed 's/^/v/') || \
      echo "dev") > /tmp/version.txt; \
     fi && \