improve resolving deps

.github/workflows/ci-slackbot-proxy.yml

@@ -26,14 +26,19 @@ jobs:
         cache: 'yarn'
         cache-dependency-path: '**/yarn.lock'
 
+    - name: Cache/Restore node_modules
+      id: cache-dependencies
+      uses: actions/cache@v2
+      with:
+        path: |
+          **/node_modules
+        key: node_modules-${{ runner.OS }}-node${{ matrix.node-version }}-${{ hashFiles('**/yarn.lock') }}
+        restore-keys: |
+          node_modules-${{ runner.OS }}-node${{ matrix.node-version }}-
+
     - name: lerna bootstrap
       run: |
-        npx lerna bootstrap
-    - name: Print dependencies
-      run: |
-        echo -n "node " && node -v
-        echo -n "npm " && npm -v
-        yarn list --depth=0
+        npx lerna bootstrap -- --frozen-lockfile
 
     - name: yarn lint
       run: |
@@ -79,14 +84,19 @@ jobs:
         cache: 'yarn'
         cache-dependency-path: '**/yarn.lock'
 
+    - name: Cache/Restore node_modules
+      id: cache-dependencies
+      uses: actions/cache@v2
+      with:
+        path: |
+          **/node_modules
+        key: node_modules-${{ runner.OS }}-node${{ matrix.node-version }}-${{ hashFiles('**/yarn.lock') }}
+        restore-keys: |
+          node_modules-${{ runner.OS }}-node${{ matrix.node-version }}-
+
     - name: lerna bootstrap
       run: |
-        npx lerna bootstrap
-    - name: Print dependencies
-      run: |
-        echo -n "node " && node -v
-        echo -n "npm " && npm -v
-        yarn list --depth=0
+        npx lerna bootstrap -- --frozen-lockfile
 
     - name: yarn dev:ci
       working-directory: ./packages/slackbot-proxy