[#4874] Added missing fix_selectboxes_component_default_values script…

… to Dockerfile

Backport-of: #4898

.github/pull_request_template.md

@@ -24,6 +24,10 @@ Check off the items that are completed or not relevant.
   - [ ] Ran `./bin/makemessages_js.sh`
   - [ ] Ran `./bin/compilemessages_js.sh`
 
+- Dockerfile/scripts
+
+  - [ ] Updated the Dockerfile with the necessary scripts from the `./bin` folder
+
 - Commit hygiene
 
   - [ ] Commit messages refer to the relevant Github issue

Dockerfile

@@ -90,6 +90,7 @@ RUN mkdir /app/bin /app/log /app/media /app/private_media /app/certifi_ca_bundle
 COPY \
     ./bin/check_celery_worker_liveness.py \
     ./bin/report_component_problems.py \
+    ./bin/fix_selectboxes_component_default_values.py \
     ./bin/
 
 # prevent writing to the container layer, which would degrade performance.

docs/installation/additional_scipts.rst

@@ -0,0 +1,23 @@
+.. _installation_additional_scripts:
+
+=========================================
+Update Open Forms with additional scripts
+=========================================
+
+Sometimes, upgrading from a specific version of Open Forms to another one requires an extra
+script which is necessary for additional operations. In case this script is missing in your
+container you can follow the instructions to copy it from the project source.
+
+1.  Visit the source code of Open Forms in github and download the raw file:
+
+.. code-block:: bash
+
+    $ wget https://github.com/open-formulieren/open-forms/blob/master/<name_of_the_file>
+
+2.  Copy the downloaded file to the `/app/bin` folder in the container
+
+.. code-block:: bash
+
+    $ docker cp <file_name> <container_id_or_name>:/app/bin
+
+3.  Run the script

docs/installation/index.rst

@@ -28,6 +28,7 @@ and expertise.
    self_signed
    form_hosting
    redis
+   additional_scipts
    issues/index
    upgrade-240
    upgrade-250