DONE: add cicd pipeline separate fe and be, test first on gitea

be/docker/common/unified/Dockerfile

@@ -1,33 +1,3 @@
-# Stage 0: Build Vue frontend assets with Node.js
-FROM node:22 AS frontend-builder
-
-WORKDIR /app/frontend
-
-# Copy frontend package files
-COPY fe/package*.json ./
-COPY fe/pnpm-lock.yaml* ./
-
-# Install pnpm and frontend dependencies (including dev dependencies for build)
-RUN npm install -g pnpm
-RUN pnpm install --frozen-lockfile
-
-# Copy frontend source code
-COPY fe/ ./
-
-# Build TWO frontend bundles (path-based):
-# - Production: served at /
-# - Training: served at /training/
-#
-# This avoids runtime JS injection and allows training/prod UI differences
-# while keeping a single backend image.
-RUN pnpm run typecheck \
-    && pnpm exec vite build --mode=production --base=/ --outDir dist-prod \
-    && pnpm exec vite build --mode=training --base=/training/ --outDir dist-training
-
-# Clean up dev dependencies to reduce image size
-ENV CI=true
-RUN pnpm prune --prod
-
 # Stage 1: Build environment and Composer dependencies
 FROM php:8.4-fpm AS builder
 
@@ -150,12 +120,6 @@ RUN echo '[www]' > /usr/local/etc/php-fpm.d/zzz-status.conf && \
 # Copy the application code and dependencies from the build stage first
 COPY --from=builder /var/www /var/www
 
-# Copy the built Vue frontends from frontend-builder stage
-# - Production frontend at /
-COPY --from=frontend-builder /app/frontend/dist-prod /var/www/public/
-# - Training frontend at /training/
-COPY --from=frontend-builder /app/frontend/dist-training /var/www/public/training/
-
 # Set working directory
 WORKDIR /var/www
 
@@ -173,3 +137,8 @@ EXPOSE 80 9000
 
 # Start supervisor which manages both Nginx and PHP-FPM
 CMD ["supervisord", "-c", "/etc/supervisor/supervisord.conf"]
+
+# CI: install dev dependencies and run PHPUnit (build fails if tests fail)
+FROM builder AS backend-test
+RUN composer install --no-interaction --prefer-dist --no-scripts \
+    && ./vendor/bin/phpunit --no-coverage