diff --git a/docker-compose.yml b/docker-compose.yml
index 1716ad6..fcea7f6 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -6,7 +6,10 @@ services:
       dockerfile: Dockerfile
     ports:
       # Modify port as needed
+      # Jupyter runs on 8888
       - "8888:8888"
+      # Ray dashboard runs on 8265 
+      - "8265:8265"
     environment:
       - JUPYTER_TOKEN=letmein
     volumes:
diff --git a/gammapy_tools/make_background/background_models.py b/gammapy_tools/make_background/background_models.py
index 0d7afd8..3553943 100644
--- a/gammapy_tools/make_background/background_models.py
+++ b/gammapy_tools/make_background/background_models.py
@@ -2,7 +2,9 @@
 
 import numpy as np
 from scipy.ndimage import gaussian_filter
-from multiprocess import Pool
+# from multiprocess import Pool
+import ray
+from ray import Pool
 
 # Astropy stuff
 
@@ -51,7 +53,8 @@ def __init__(
             None
 
         """
-
+        
+        ray.init()
         self.njobs = njobs
         self.counts = self._make_bkg2d(energy, offset, unit="")
         self.exposure = self._make_bkg2d(energy, offset, unit="s TeV sr")
diff --git a/pyproject.toml b/pyproject.toml
index 6f40159..cc11243 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,6 +39,7 @@ dependencies = [
     "PyYAML",
     "regions",
     "tqdm",
+    "ray[default]",
 ]
 
 [project.optional-dependencies]