Prepare Odoo addons mount point in image

odoo/Dockerfile

@@ -16,9 +16,8 @@ RUN chown -R odoo:odoo /var/lib/odoo && \
 # Copy entrypoint script
 COPY ./entrypoint.py /entrypoint.py
 
-# Copy addons
-COPY ./addons /mnt/extra-addons
-RUN chown -R odoo:odoo /mnt/extra-addons
+# Prepare addons mount point (addons are mounted at runtime)
+RUN mkdir -p /mnt/extra-addons && chown -R odoo:odoo /mnt/extra-addons
 
 USER odoo