Modify storybook's output dir

.gitlab-ci.yml

@@ -38,7 +38,7 @@ pages:
   script:
     - npm install
     - npm run build
-    - npm run storybook:build -o ../public/storybook # will resolve to ./public/storybook because we're in /lib
+    - npm run storybook:build
     - cd ../pages
     - npm install
     - ./node_modules/.bin/gatsby build --prefix-paths

lib/package.json

@@ -21,7 +21,7 @@
     "start": "webpack-dev-server",
     "test-update-snapshots": "jest --updateSnapshot",
     "storybook": "start-storybook -p 6006",
-    "storybook:build": "build-storybook -c .storybook -o ../public",
+    "storybook:build": "build-storybook -c .storybook -o ../public/storybook",
     "storybook:serve": "npx http-server ../public"
   },
   "devDependencies": {