build: 배포파이프라인에 최적화된 이미지 캐싱 step 추가

Author: toothlessdev

.github/workflows/deploy.yml

@@ -1,54 +1,65 @@
 name: Deploy to GitHub Pages
 
 on:
-    push:
-        branches: [main]
-    workflow_dispatch:
+  push:
+    branches: [main]
+  workflow_dispatch:
 
 permissions:
-    contents: read
-    pages: write
-    id-token: write
+  contents: read
+  pages: write
+  id-token: write
 
 concurrency:
-    group: pages
-    cancel-in-progress: false
+  group: pages
+  cancel-in-progress: false
 
 jobs:
-    build:
-        runs-on: ubuntu-latest
-        steps:
-            - name: Checkout
-              uses: actions/checkout@v4
-              with:
-                  fetch-depth: 0
-            - name: Setup Node
-              uses: actions/setup-node@v4
-              with:
-                  node-version: 22
-                  cache: yarn
-            - name: Setup Pages
-              uses: actions/configure-pages@v4
-
-            - name: Install dependencies
-              run: yarn install --frozen-lockfile
-
-            - name: Build with VitePress
-              run: npm run docs:build
-
-            - name: Upload artifact
-              uses: actions/upload-pages-artifact@v3
-              with:
-                  path: .vitepress/dist
-
-    deploy:
-        environment:
-            name: github-pages
-            url: ${{ steps.deployment.outputs.page_url }}
-        needs: build
-        runs-on: ubuntu-latest
-        name: Deploy
-        steps:
-            - name: Deploy to GitHub Pages
-              id: deployment
-              uses: actions/deploy-pages@v4
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: yarn
+
+      - name: Cache optimized images
+        uses: actions/cache@v4
+        with:
+          path: |
+            contents/posts/**/img/**/*.webp
+            contents/posts/**/img/**/*.jpeg
+          key: optimized-images-${{ hashFiles('contents/posts/**/img/**/*.{jpg,jpeg,png}') }}
+          restore-keys: |
+            optimized-images-
+
+      - name: Setup Pages
+        uses: actions/configure-pages@v4
+
+      - name: Install dependencies
+        run: yarn install --frozen-lockfile
+
+      - name: Build with VitePress
+        run: npm run docs:build
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: .vitepress/dist
+
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    needs: build
+    runs-on: ubuntu-latest
+    name: Deploy
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4