global nix store

.drone.yml

@@ -9,9 +9,13 @@ trigger:
 steps:
 - name: create_image
   image: nixos/nix
+  volumes:
+  - name: nixstore
+    path: /nix
   commands:
   - nix build --extra-experimental-features nix-command --extra-experimental-features flakes --cores 0 --max-jobs auto .#dockerImage
   - cp result rebacs.tar.gz
+
 - name: upload_image
   image: docker:dind
   environment:
@@ -37,3 +41,5 @@ services:
 volumes:
 - name: dockersock
   temp: {}
+- name: nixstore
+  path: /var/lib/nix-ci-cache