Optimized cache for CI

.gitlab-ci.yml

@@ -5,16 +5,17 @@ stages:
     - build
     - package
 
-cache:
+cache: &global_cache
-    - key:
+    key:
-          files:
+        files:
-              - yarn.lock
+            - yarn.lock
-              - frontend/yarn.lock
+            - frontend/yarn.lock
-      paths:
+    paths:
-          - .yarn
+        - .yarn
-          - node_modules
+        - node_modules
-          - frontend/.yarn
+        - frontend/.yarn
-          - frontend/node_modules
+        - frontend/node_modules
+    policy: pull
 
 before_script:
     - yarn install --cache-folder .yarn --frozen-lockfile
@@ -23,11 +24,17 @@ before_script:
     - cd ..
 
 test_backend:
+    cache:
+        <<: *global_cache
+        policy: pull-push
     stage: test
     script:
         - yarn lint
 
 test_frontend:
+    cache:
+        <<: *global_cache
+        policy: pull-push
     stage: test
     script:
         - cd frontend