diff --git a/.gitpod.Dockerfile b/.gitpod.Dockerfile
new file mode 100644
index 0000000..9fa4021
--- /dev/null
+++ b/.gitpod.Dockerfile
@@ -0,0 +1,5 @@
+FROM gitpod/workspace-python-3.10:2023-03-06-18-43-51
+
+RUN pyenv uninstall -f 3.8.16 || true \
+    && pyenv install mambaforge-22.9.0-2 \
+    && pyenv global mambaforge-22.9.0-2
diff --git a/.gitpod.yml b/.gitpod.yml
index 36d97f0..12c3224 100644
--- a/.gitpod.yml
+++ b/.gitpod.yml
@@ -1,13 +1,5 @@
-image: gitpod/workspace-python-3.10:2023-03-06-18-43-51
-
-tasks:
-- name: install-mamba
-  init: |
-    pyenv install mambaforge-22.9.0-2
-    pyenv uninstall -f 3.8.16 || true
-  command: |
-    pyenv global mambaforge-22.9.0-2
-    mamba --version
+image:
+  file: .gitpod.Dockerfile
 
 github:
   prebuilds: