added cache

.github/workflows/start-preview.yml

@@ -7,6 +7,7 @@ on:
 env:
   DBT_VERSION: "1.8.1"
   PROJECT_DIR: "./dbt_project"
+  DW_DBNAME: "gtd_dash"
 
 jobs:
   preview:
@@ -16,13 +17,44 @@ jobs:
       pull-requests: write
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/[email protected]
+
+      - name: Cache Python packages
+        uses: actions/cache@v3
         with:
-          node-version: '20'
+          path: |
+            ~/.cache/pip
+            ~/.local
+          key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+
       - uses: actions/setup-python@v1
         with:
           python-version: "3.9.x"
 
+      - name: Install Python dependencies
+        run: |
+          pip install -r requirements.txt
+          pip install dbt-core==$DBT_VERSION dbt-postgres==$DBT_VERSION dbt-redshift==$DBT_VERSION dbt-snowflake==$DBT_VERSION dbt-bigquery==$DBT_VERSION
+          dbt deps --project-dir "$PROJECT_DIR"
+
+      - name: Cache npm packages
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.npm
+            ~/.cache/npm
+          key: ${{ runner.os }}-npm-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-npm-
+
+      - uses: actions/[email protected]
+        with:
+          node-version: '20'
+
+      - name: Install npm dependencies
+        run: npm install -g "@lightdash/cli@${{ steps.version.outputs.value }}" || npm install -g @lightdash/cli@latest
+
       - name: Copy Google credentials file
         env: 
           GOOGLE_CREDENTIALS: ${{ secrets.GOOGLE_APPLICATION_CREDENTIALS }}
@@ -49,21 +81,13 @@ jobs:
           config: ${{ secrets.DBT_PROFILES }}          
         run: echo -e "$config" > profiles.yml      
 
-      - name: Install dbt
-        run: |
-          pip install dbt-core==$DBT_VERSION dbt-postgres==$DBT_VERSION dbt-redshift==$DBT_VERSION dbt-snowflake==$DBT_VERSION dbt-bigquery==$DBT_VERSION
-          dbt deps --project-dir "$PROJECT_DIR"
-      - name: Install lightdash CLI
-        run: npm install -g "@lightdash/cli@${{ steps.version.outputs.value }}" || npm install -g @lightdash/cli@latest
-
       - name: Lightdash CLI start preview
         id: start-preview
         env:
           LIGHTDASH_API_KEY: ${{ secrets.LIGHTDASH_API_KEY }}          
           LIGHTDASH_PROJECT: ${{ secrets.LIGHTDASH_PROJECT }}          
           LIGHTDASH_URL: ${{ secrets.LIGHTDASH_URL }}    
           GOOGLE_APPLICATION_CREDENTIALS: '/tmp/googlecredentials.json'
-
         run:  lightdash start-preview --project-dir "$PROJECT_DIR" --profiles-dir . --name ${GITHUB_REF##*/}
 
       - uses: jwalton/gh-find-current-pr@v1
@@ -74,4 +98,4 @@ jobs:
         with:
           number: ${{ steps.finder.outputs.pr }}
           message: |
-            :rocket: Deployed ${{ github.sha }} to ${{ steps.start-preview.outputs.url }}
+            :rocket: Deployed ${{ github.sha }} to ${{ steps.start-preview.outputs.url }}