diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8a618cb..393b14f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,11 +17,11 @@ jobs:
         run: pip install --upgrade setuptools
 
       - name: Checkout code
-        uses: actions/checkout@v3  # Checkout the repository code
+        uses: actions/checkout@v4  # Update to the latest version to use Node.js 20
 
       # Set up Python environment
       - name: Set up Python 3.11
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v4  # Update to the latest version to use Node.js 20
         with:
           python-version: 3.11  # Use Python version 3.11
 
@@ -29,24 +29,24 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip  # Upgrade pip
-          pip install -r requirements.txt  # Install dependencies from requirements.txt
+          pip install -r auth_service/requirements.txt  # Install dependencies from auth_service requirements
 
   security:
     needs: setup
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4  # Update to the latest version to use Node.js 20
 
       - name: Set up Python 3.11
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v4  # Update to the latest version to use Node.js 20
         with:
           python-version: 3.11
 
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install -r requirements.txt
+          pip install -r auth_service/requirements.txt  # Install dependencies from auth_service requirements
 
       # Set environment variables for security checks
       - name: Set environment variables
@@ -63,33 +63,32 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4  # Update to the latest version to use Node.js 20
 
       - name: Set up Python 3.11
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v4  # Update to the latest version to use Node.js 20
         with:
           python-version: 3.11
 
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install -r requirements.txt
+          pip install -r auth_service/requirements.txt  # Install dependencies from auth_service requirements
 
       # Set environment variables for Docker build
       - name: Set environment variables
         run: echo "DJANGO_SECRET_KEY=${{ secrets.DJANGO_SECRET_KEY }}" >> $GITHUB_ENV
 
-      # Build the Docker image
+      # Build the Docker image from auth_service Dockerfile
       - name: Build Docker image
-        run: |
-          docker build -t transcendence .
+        run: docker build -t transcendence -f auth_service/Dockerfile .
 
   deploy:
     needs: build
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4  # Update to the latest version to use Node.js 20
 
       # Log in to Docker Hub
       - name: Deploy to Docker Hub