Merge remote-tracking branch 'upstream/main'

docker/deploy/backend.Dockerfile

@@ -35,7 +35,9 @@ COPY --from=build /app/dist ./dist
 COPY package*.json ./
 
 # Create logs, uploads, and data directories and set permissions (use existing node user with UID 1000)
-RUN mkdir -p logs uploads data/mail-sent && chown -R node:node logs uploads data && chmod -R 755 logs uploads data
+RUN mkdir -p logs uploads/mail-attachments data/mail-sent && \
+    chown -R node:node logs uploads data && \
+    chmod -R 755 logs uploads data
 
 EXPOSE 3001
 USER node