store cache in S3

.github/workflows/build.yml

@@ -14,13 +14,19 @@ jobs:
         with:
           images: Build
 
-      - name: Cache
-        uses: actions/cache@v3
+      - name: Cache (S3)
+        uses: tespkg/actions-cache@v1
         id: cache
         with:
+          bucket: gha-docker-npm-caching-example
+          accessKey: ${{ vars.AWS_ACCESS_KEY }}
+          secretKey: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          use-fallback: false # No fallback since the purpose of this example is to demonstrate the cache to S3
           path: |
             pnpm
-          key: cache-${{ hashFiles('pnpm-lock.yaml') }}
+          key: pnpm-cache-${{ hashFiles('pnpm-lock.yaml') }}
+          restore-keys: |
+            pnpm-cache-
 
       - name: inject cache into docker
         uses: reproducible-containers/[email protected]

Dockerfile

@@ -9,7 +9,8 @@ WORKDIR /app
 COPY . .
 
 RUN  --mount=type=cache,target=/pnpm \
-  pnpm install --frozen-lockfile
+  pnpm config set store-dir ${PNPM_HOME} && \
+  pnpm install --frozen-lockfile --prefer-offline
 
 # Use a smaller Node.js image for the final image
 FROM node:alpine AS prod

package.json

@@ -10,6 +10,7 @@
   },
   "dependencies": {
     "@aws-sdk/core": "^3.567.0",
+    "aws-sdk": "^2.1613.0",
     "express": "^4.19.2",
     "node-gyp": "^10.1.0",
     "s3-zip": "^3.3.0",