add docker build step to ci

Author: codewitching

.github/workflows/ci.yml

@@ -2,28 +2,32 @@ name: CI Pipeline
 
 on:
   push:
-    branches: ["main"]
+    branches: [ "main" ]
   pull_request:
-    branches: ["main"]
+    branches: [ "main" ]
 
 jobs:
-  build-and-test:
+  test-and-build:
     runs-on: ubuntu-latest
 
     steps:
-    - name: Checkout repository
-      uses: actions/checkout@v3
+      - name: Checkout code
+        uses: actions/checkout@v4
 
-    - name: Set up Python
-      uses: actions/setup-python@v4
-      with:
-        python-version: "3.12"
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
 
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install -r requirements.txt
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
 
-    - name: Run tests
-      run: |
-        python -m pytest
+      - name: Run tests
+        run: |
+          pytest
+
+      - name: Build Docker image
+        run: |
+          docker build -t flask-ci-app .