diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c900510..4993041 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,39 +1,40 @@
-name: CI-CD Pipeline
+name: Multi-Job Container Pipeline
 
 on:
   push:
-    branches: [ "main", "feature/*" ]
+    branches: [ "dev-stable-build" ]  # Only runs when we push to this branch
   pull_request:
     branches: [ "main" ]
 
 jobs:
-  test-and-deploy:
+  # JOB 1: The "Inside GitHub" Test
+  container-test:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      
+      - name: Build the Testing Image
+        run: docker build -t internal-test-image .
 
-      # --- STEP 1: UNIT TESTING ---
-      - name: Set up Python
-        uses: actions/setup-python@v4
-        with:
-          python-version: '3.9'
-
-      - name: Install dependencies
-        run: pip install pytest
-
-      - name: Run Pytest
-        run: pytest
+      - name: Run Pytest INSIDE the Container
+        # This is what the teacher wants: Pytest running in the cloud container
+        run: docker run --rm internal-test-image pytest
 
-      # --- STEP 2: DOCKER HUB DEPLOY (Only on Main Branch) ---
+  # JOB 2: The Deployment (Only if Job 1 passes)
+  docker-hub-push:
+    needs: container-test
+    runs-on: ubuntu-latest
+    # This prevents pushing to Docker Hub until we are ready for 'main'
+    if: github.ref == 'refs/heads/main' 
+    steps:
+      - uses: actions/checkout@v4
       - name: Login to Docker Hub
-        if: github.ref == 'refs/heads/main'
         uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
       - name: Build and Push
-        if: github.ref == 'refs/heads/main'
         run: |
           docker build -t skalgleb2devops/testing:latest .
           docker push skalgleb2devops/testing:latest
diff --git a/Dockerfile b/Dockerfile
index b68ff85..abcb524 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,15 +1,14 @@
-# Use the tiny Alpine image
-FROM alpine:3.18
+FROM python:3.9-slim
 
-# Install Python and Pytest
-RUN apk add --no-cache python3 py3-pip curl && \
-    pip install pytest --break-system-packages
-
-# Set the working directory inside the container
 WORKDIR /app
 
-# Copy your files from your ThinkPad into the container
-COPY app.py test_app.py ./
+# Copy the requirements file first
+COPY requirements.txt .
+
+# Install the "baked-in" tools
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of your code
+COPY . .
 
-# This command runs the tests when the container starts
-CMD ["pytest"]
+CMD ["python", "app.py"]
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..4649a3c
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+flask
+pytest