fix(docker): copy module web assets as real files in prod image

web_init uses cp -rp which copies symlinks as symlinks.
Since the nginx container doesn't have /var/www/modules/,
symlinks in web/modules/ break. Replace them with actual copies at build time.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

docker/php/Dockerfile

@@ -35,4 +35,43 @@ COPY docker/php/xdebug.ini /usr/local/etc/php/conf.d/zzz-xdebug.ini
 # No xdebug — smaller image, no debug overhead or attack surface.
 FROM base AS prod
 
+# Copy entire project into image
+COPY . /var/www
+
+# Install composer dependencies (no dev dependencies for production).
+# NOTE: php.prod.ini (with open_basedir + disable_functions) is copied AFTER
+# this step — composer needs unrestricted access to its own phar at /usr/bin/.
+RUN composer install \
+    --no-dev \
+    --no-interaction \
+    --optimize-autoloader \
+    && rm -rf /root/.composer/cache
+
+# Apply production PHP hardening AFTER composer is done.
 COPY docker/php/php.prod.ini /usr/local/etc/php/conf.d/zzz-minty-prod.ini
+
+# Publish module web assets as real files (not symlinks) so web_init cp works correctly.
+# Symlinks from web/modules/<id> → modules/<id>/web are replaced by actual copies,
+# because web_init uses "cp -rp" which follows symlinks only to directories, not files.
+RUN find /var/www/web/modules -maxdepth 1 -mindepth 1 -type l | while read link; do \
+        id=$(basename "$link"); \
+        target=$(readlink "$link"); \
+        rm "$link"; \
+        cp -r "$target" "/var/www/web/modules/$id"; \
+    done || true
+
+# Create runtime directories (storage/ and var/ are excluded via .dockerignore;
+# they will be mounted as volumes in production — we just ensure the paths exist).
+RUN mkdir -p \
+        /var/www/storage/logs \
+        /var/www/storage/runtime \
+        /var/www/storage/users \
+        /var/www/var/cache \
+        /var/www/var/log \
+        /var/www/var/tmp \
+    && chown -R www-data:www-data \
+        /var/www/storage \
+        /var/www/var
+
+# Expose port for PHP-FPM
+EXPOSE 9000