try this one.

Dockerfile

@@ -37,12 +37,12 @@ RUN JEKYLL_ENV=production bundle exec jekyll build
 
 ## Cleanup to debulk the image
 
-RUN apt remove -y manpages ruby x11-common ruby* make python gcc cpp gnupg git git-man
+#RUN apt remove -y manpages ruby x11-common ruby* make python gcc cpp gnupg git git-man
-RUN apt -y autoremove
+#RUN apt -y autoremove
-RUN test -d $SITE_PATH && for i in $(ls -1 $SITE_ROOT | grep -v _site); do rm -rf $SITE_ROOT/$i ; done
+#RUN test -d $SITE_PATH && for i in $(ls -1 $SITE_ROOT | grep -v _site); do rm -rf $SITE_ROOT/$i ; done
-RUN rm -rf /root/.bundle/cache
+#RUN rm -rf /root/.bundle/cache
-RUN rm -rf /var/cache
+#RUN rm -rf /var/cache
-RUN rm -rf /var/lib/apt
+#RUN rm -rf /var/lib/apt
-RUN rm -rf /var/lib/dpkg
+#RUN rm -rf /var/lib/dpkg
 
 ENTRYPOINT /usr/local/sbin/entrypoint.sh

_layouts/gallery_page.html

@@ -26,6 +26,7 @@
 </div>
 
 {% assign sorted_imgs = page.images | sort %}
+{{ page.path }}
 
 <div id="gallery">
   {% for image in sorted_imgs %}
@@ -36,11 +37,13 @@
         width="{{ image[1] | divided_by: site.gallery.thumbnail_size.retina }}"
         height="{{ site.gallery.thumbnail_size.y | divided_by: site.gallery.thumbnail_size.retina }}" />
     </a>
+    {% comment %}
     {% assign image_path = "{page.path.split('/index.html')[0]}/#{image[0]}" %}
     {% capture has_exif %}{{ image_path | exif: "exif?" }}{% endcapture %}
     {% if has_exif %}
       Camera: {{ image_path | exif: 'model' }}
     {% endif %}
+    {% endcomment %}
   {% endfor %}
 </div>