feat: add npm caching in ci/cd

.gitlab-ci.yml

 stages:
   - build
 
+default:
+  cache:  # Cache modules using lock file
+    key:
+      files:
+        - package-lock.json
+    paths:
+      - .npm/
+
 .build_template:
   stage: build
   tags: ["stable"]
@@ -18,7 +26,13 @@ stages:
     - docker build 
         --tag $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME 
         --build-arg BUILDKIT_INLINE_CACHE=1
+          NPM_CACHE=$CI_PROJECT_DIR/.npm
         .
+    - pwd
+    - ls
+    - ls /builds
+    - echo $CI_PROJECT_DIR
+    - ls $CI_PROJECT_DIR
   after_script:
     - docker push $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME
 
@@ -28,6 +42,7 @@ build:
   rules:
     - changes: # the stage will start if one of those files has changed.
         - package.json
+        - .gitlab-ci.yml
       when: always
 
 build_manual:

Dockerfile

@@ -4,6 +4,8 @@ WORKDIR /app
 
 COPY package*.json .
 
-RUN npm install
+RUN echo $NPM_CACHE && ls $NPM_CACHE
+RUN --mount=type=cache,target=$NPM_CACHE \
+  npm ci --cache $NPM_CACHE
 # If you are building your code for production
 # RUN npm ci --omit=dev
\ No newline at end of file