chore: prevent cicd if no changes in appropriate directories

.github/workflows/main.yml

@@ -19,6 +19,16 @@ jobs:
         working-directory: cloud
 
     steps:
+    - uses: actions/checkout@v3
+    - uses: dorny/paths-filter@v2
+      id: filter
+      with:
+        filters: |
+          web:
+            - 'cloud/**'
+          terraform:
+            - 'terraform/**'
+
     # Checkout the repository to the GitHub Actions runner
     - name: Checkout
       uses: actions/checkout@v2
@@ -29,40 +39,46 @@ jobs:
 
     # Install the latest version of Terraform CLI and configure the Terraform CLI configuration file with a Terraform Cloud user API token
     - name: Setup Terraform
+      if: steps.filter.outputs.terraform == 'true'
       uses: hashicorp/setup-terraform@v1
       with:
         cli_config_credentials_token: ${{ secrets.TF_API_TOKEN }}
 
     # Initialize a new or existing Terraform working directory by creating initial files, loading any remote state, downloading modules, etc.
     - name: Terraform Init
+      if: steps.filter.outputs.terraform == 'true'
       working-directory: ./terraform
       run: terraform init
 
     # Checks that all Terraform configuration files adhere to a canonical format
     - name: Terraform Format
+      if: steps.filter.outputs.terraform == 'true'
       working-directory: ./terraform
       run: terraform fmt -check
 
     # Generates an execution plan for Terraform
     - name: Terraform Plan
+      if: steps.filter.outputs.terraform == 'true'
       working-directory: ./terraform
       run: terraform plan
 
       # On push to master, build or change infrastructure according to Terraform configuration files
       # Note: It is recommended to set up a required "strict" status check in your repository for "Terraform Cloud". See the documentation on "strict" required status checks for more information: https://help.github.com/en/github/administering-a-repository/types-of-required-status-checks
     - name: Terraform Apply
       working-directory: ./terraform
-      if: github.ref == 'refs/heads/master' && github.event_name == 'push'
+      if: steps.filter.outputs.terraform == 'true' && github.ref == 'refs/heads/master' && github.event_name == 'push'
       run: terraform apply -auto-approve
 
     - name: Build
       uses: actions/setup-node@v2
+      if: steps.filter.outputs.web == 'true'
     - run: sudo wget https://github.com/gohugoio/hugo/releases/download/v0.99.0/hugo_extended_0.99.0_Linux-64bit.deb
     - run: sudo dpkg --install ./hugo_extended_0.99.0_Linux-64bit.deb
     - run: hugo
 
     - name: Deploy to AWS
       uses: jakejarvis/s3-sync-action@master
+      if: steps.filter.outputs.web == 'true'
       with:
         args: --acl public-read --follow-symlinks --delete
       env: