fix version.json persistency issue (#16)

README.md

@@ -13,10 +13,9 @@ Images are built and tagged for a specific iRODS release. The most recent build
 
 Each container exposes volumes for data persistency. The list of volumes are provided in the table below:
 
-| path in container               | usage                         |
-|---------------------------------|-------------------------------|
-| /etc/irods                      | resource server configuration |
-| /var/lib/irods/iRODS/server/log | resource server log           |
+| path in container               | usage                           |
+|---------------------------------|---------------------------------|
+| /etc/irods                      | Server configuration            |
 
 For iRODS services, the setup script (`/var/lib/irods/scripts/setup_irods.py`) is only executed when the file `/etc/irods/.provisioned` is not present.
 The file `/etc/irods/.provisioned` is created when the setup script is executed successfully.
@@ -75,7 +74,7 @@ iRODS can be run in either "provider" mode, which installs an iCAT catalogue ser
 
 ## SSSD Support
 
-In addition to the base image, we provide the images `${VERSION}-sssd` (e.g., `4.3.1-0-sssd`) which have SSSD installed.
+In addition to the base image, we provide the images `${VERSION}-sssd` (e.g., `4.3.1-0-1-sssd`) which have SSSD installed.
 You will have to share `/var/lib/sss` between the SSSD container and iRODS so both containers can communicate.
 
 In our installations, we run [bihealth/sssd-docker](https://github.com/bihealth/sssd-docker) in a second container.

docker/Dockerfile

@@ -93,7 +93,7 @@ RUN mkdir -p $IRODS_RESOURCE_DIRECTORY
 RUN chown -cR $IRODS_SERVICE_ACCOUNT_GROUP:$IRODS_SERVICE_ACCOUNT_USER $IRODS_RESOURCE_DIRECTORY
 
 # Data volumes
-VOLUME "/etc/irods" "/var/lib/irods/iRODS/server/log"
+VOLUME "/etc/irods"
 
 # Network ports
 EXPOSE 4321 $IRODS_ZONE_PORT $IRODS_CONTROL_PLANE_PORT $IRODS_DATA_PORT_RANGE_START-$IRODS_DATA_PORT_RANGE_END

docker/docker-entrypoint.sh

@@ -37,6 +37,10 @@ if [[ "$1" == "irods-start" ]]; then
             cp /etc/irods/.odbc.ini /var/lib/irods/.odbc.ini
         fi
 
+        if [ -f /etc/irods/version.json ]; then
+            cp -f /etc/irods/version.json /var/lib/irods/version.json
+        fi
+
     else
 
         echo "Provisioning iRODS.."
@@ -57,6 +61,7 @@ if [[ "$1" == "irods-start" ]]; then
 
         cp /var/lib/irods/.irods/irods_environment.json /etc/irods/irods_environment.json
         cp /var/lib/irods/.odbc.ini /etc/irods/.odbc.ini
+        cp -f /var/lib/irods/version.json /etc/irods/version.json
 
         # Enable the python rule engine
         if [ -f /irods_python-re_installer.py ]; then