diff --git a/debian/config.exs.tpl b/debian/config.exs.tpl
index 2b1ed8aa..4af9cb30 100644
--- a/debian/config.exs.tpl
+++ b/debian/config.exs.tpl
@@ -33,3 +33,27 @@ config :mobilizon, Mobilizon.Storage.Repo,
   hostname: "__DB_HOST__",
   port: "5432",
   pool_size: 10
+
+config :geolix,
+  databases: [
+    %{
+      id: :city,
+      adapter: Geolix.Adapter.MMDB2,
+      source: "/var/lib/mobilizon/geo_db/GeoLite2-City.mmdb"
+    }
+  ]
+
+config :mobilizon, Mobilizon.Web.Upload.Uploader.Local,
+  uploads: System.get_env("MOBILIZON_UPLOADS", "/var/lib/mobilizon/uploads")
+
+config :mobilizon, :exports,
+  path: System.get_env("MOBILIZON_UPLOADS_EXPORTS", "/var/lib/mobilizon/uploads/exports"),
+  formats: [
+    Mobilizon.Service.Export.Participants.CSV,
+    Mobilizon.Service.Export.Participants.PDF,
+    Mobilizon.Service.Export.Participants.ODS
+  ]
+
+config :tz_world,
+  data_dir: System.get_env("MOBILIZON_TIMEZONES_DIR", "/var/lib/mobilizon/timezones")
+config :tzdata, :data_dir, System.get_env("MOBILIZON_TZDATA_DIR", "/var/lib/mobilizon/tzdata")
diff --git a/debian/dirs b/debian/dirs
index 081ac7fa..26cf6f33 100644
--- a/debian/dirs
+++ b/debian/dirs
@@ -1,3 +1,11 @@
 etc/mobilizon
 usr/share/mobilizon
 var/lib/mobilizon
+var/lib/mobilizon/geo_db
+var/lib/mobilizon/sitemap
+var/lib/mobilizon/timezones
+var/lib/mobilizon/tzdata
+var/lib/mobilizon/uploads
+var/lib/mobilizon/uploads/csv
+var/lib/mobilizon/uploads/pdf
+var/lib/mobilizon/uploads/ods
diff --git a/debian/postinst b/debian/postinst
index 3de0d463..014d136c 100644
--- a/debian/postinst
+++ b/debian/postinst
@@ -48,6 +48,13 @@ case "$1" in
             mv /etc/mobilizon/config.exs.tmp /etc/mobilizon/config.exs
         fi
 
+        # Set permissions
+        chown -R mobilizon: /var/lib/mobilizon/geo_db
+        chown -R mobilizon: /var/lib/mobilizon/sitemap
+        chown -R mobilizon: /var/lib/mobilizon/timezones
+        chown -R mobilizon: /var/lib/mobilizon/tzdata
+        chown -R mobilizon: /var/lib/mobilizon/uploads
+
         # Initialize/update database schema
         /usr/bin/mobilizon_ctl migrate
     ;;