ci : Ci 명령어에 캐시 설정 추가

Author: seungw0o

.github/workflows/ci.yml

@@ -2,7 +2,7 @@ name: CI
 
 on:
   pull_request:
-    branches: [develop, main] # PR이 develop이나 main으로 갈 때만 동작
+    branches: [develop, main]
 
 jobs:
   build:
@@ -16,16 +16,28 @@ jobs:
         uses: actions/setup-node@v3
         with:
           node-version: 18
-          cache: yarn
 
       - name: Enable Corepack
         run: corepack enable
 
-      - name: Prepare Yarn version
+      - name: Prepare Yarn 4
         run: corepack prepare [email protected] --activate
 
+      # Optional: 캐시 수동 설정
+      - name: Cache Yarn
+        uses: actions/cache@v3
+        with:
+          path: |
+            .yarn/cache
+            .yarn/unplugged
+            .yarn/install-state.gz
+            .pnp.*
+          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-
+
       - name: Install dependencies
-        run: yarn install --frozen-lockfile
+        run: yarn install --immutable
 
       - name: Type check
         run: yarn tsc --noEmit