diff --git a/smartgears/dataminer_app/defaults/main.yml b/smartgears/dataminer_app/defaults/main.yml
index 55fe0040..59985936 100644
--- a/smartgears/dataminer_app/defaults/main.yml
+++ b/smartgears/dataminer_app/defaults/main.yml
@@ -34,6 +34,9 @@ dataminer_algorithms_updater_hour_frequency: "*"
 
 dataminer_data_file_from_thredds: 'http://thredds.d4science.org/thredds/fileServer/public/netcdf/gebco_08_OCEANS_CLIMATOLOGY_METEOROLOGY_ATMOSPHERE_.nc'
 
+dataminer_conda_install: True
+dataminer_hdf5: False
+
 # dev, prod, preprod
 dataminer_infra_reference: dev
 
diff --git a/smartgears/dataminer_app/meta/main.yml b/smartgears/dataminer_app/meta/main.yml
index be64f21b..a1e4dc58 100644
--- a/smartgears/dataminer_app/meta/main.yml
+++ b/smartgears/dataminer_app/meta/main.yml
@@ -1,3 +1,4 @@
 ---
 dependencies:
-  - role: '../../library/roles/conda'
+  - { role: ../../library/roles/conda, when: dataminer_conda_install }
+  - { role: ../../library/roles/hdf5, when: dataminer_hdf5 }