diff --git a/cartiflette/pipeline_constants.py b/cartiflette/pipeline_constants.py
index a3717f6..062249b 100644
--- a/cartiflette/pipeline_constants.py
+++ b/cartiflette/pipeline_constants.py
@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 
+import os
 from cartiflette.config import DATASETS_HIGH_RESOLUTION
 
 # Keys for COG_TERRITOIRE and IRIS are True for high resolution and False for
@@ -78,9 +79,15 @@
     "POPULATION-COM": ["Insee", "POPULATION", "POPULATION-IRIS-COM"],
 }
 
-PIPELINE_CRS = [2154, 4326, 3857]
-PIPELINE_SIMPLIFICATION_LEVELS = [0, 40]
-PIPELINE_FORMATS = ["geojson", "topojson", "gpkg"]
+if os.environ.get("ENVIRONMENT", "dev") != "dev":
+    PIPELINE_CRS = [2154, 4326, 3857]
+    PIPELINE_SIMPLIFICATION_LEVELS = [100, 40]
+    PIPELINE_FORMATS = ["geojson", "topojson", "gpkg"]
+else:
+    PIPELINE_CRS = [4326]
+    PIPELINE_SIMPLIFICATION_LEVELS = [40]
+    PIPELINE_FORMATS = ["topojson"]
+
 
 # which dissolutions can be operated from a given raw geodataset, depending
 # of it's source (either from IRIS or from COMMUNES)
@@ -233,7 +240,6 @@
     for key, dissolutions in AVAILABLE_DISSOLUTIONS_FROM_RAW_MESH.items()
     for dissolution in dissolutions
 }
-all_dissolutions = all_dissolutions
 
 all_borders = {
     split