Add cache to drone config

.drone.yml

@@ -2,8 +2,21 @@ kind: pipeline
 name: default
 
 steps:
+  - name: restore-cache
+    image: meltwater/drone-cache:dev
+    settings:
+      pull: true
+      backend: "filesystem"
+      restore: true
+      archive_format: "gzip"
+      cache_key: "volume"
+      mount:
+        - "node_modules"
+    volumes:
+      - name: cache
+        path: /tmp/cache
   - name: build
-    image: node:20
+    image: node:20-slim
     commands:
       - npm install
       - npm run build
@@ -20,3 +33,18 @@ steps:
         from_secret: rsync_user
       key:
         from_secret: rsync_key
+      args:
+        - --delete
+  - name: rebuild-cache
+    image: meltwater/drone-cache
+    settings:
+      pull: true
+      rebuild: true
+      cache_key: "volume"
+      mount:
+        - "node_modules"
+
+volumes:
+  - name: cache
+    host:
+      path: /srv/drone/cache