i have to use the drone workspace to persistent the cache between steps

.drone.yml

@@ -10,11 +10,11 @@ steps:
   image: drillster/drone-volume-cache
   volumes:
     - name: go_module_cache
-      path: /var/cache/go/mod/
+      path: /drone/src/hugo_cache/
   settings:
     restore: true
     mount:
-      - /tmp/hugo_cache/
+      - /drone/src/hugo_cache/
 - name: hugo_prod
   depends_on:
     - restore_cache
@@ -107,12 +107,12 @@ steps:
   image: drillster/drone-volume-cache
   volumes:
     - name: go_module_cache
-      path: /var/cache/go/mod/
+      path: /drone/src/hugo_cache/
   settings:
     rebuild: true
     mount:
-      - /tmp/hugo_cache/
+      - /drone/src/hugo_cache/
 volumes:
   - name: go_module_cache
     host:
-      path: /var/cache/go/mod/
+      path: /var/cache/go/hugo_cache/

build.sh

@@ -1,5 +1,6 @@
 #! /bin/bash
 
+export HUGO_CACHEDIR="/drone/src/hugo_cache/"
 # debug alias
 # alias hugo=hugo -v --debug --logLevel=debug --printI18nWarnings --printPathWarnings --printUnusedTemplates --templateMetrics --templateMetricsHints