feat: combine ci/cd workflow and add test step

.github/workflows/ci_cd.yml

@@ -1,12 +1,32 @@
-name: CI/CD Workflow
+name: CI/CD
 
 on:
   push:
-    branches:
-      - main
 
 jobs:
-  build-and-push:
+  ci:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 20
+
+      - name: Install dependencies
+        run: yarn install
+
+      - name: Lint
+        run: yarn lint
+
+      - name: Test
+        run: yarn test
+
+  build:
+    needs: ci
+    if: github.ref == 'refs/heads/main'
     runs-on: ubuntu-latest
 
     steps:
@@ -44,7 +64,7 @@ jobs:
           tags: docker.io/${{ secrets.DOCKERHUB_USERNAME }}/linux-odyssey:helloworld
 
   deploy:
-    needs: build-and-push
+    needs: build
     runs-on: ubuntu-latest
 
     steps: