feat: Adds Build and push image to docker hub via CI pipline

Author: winterx64

.github/workflows/ci.yml

@@ -6,7 +6,7 @@ on:
   pull_request:
 
 jobs:
-  build:
+  build-and-push:
     runs-on: ubuntu-latest
 
     steps:
@@ -18,26 +18,30 @@ jobs:
         with:
           python-version: "3.11"
 
-      # 🔹 Cache pip downloads (speed boost)
       - name: Cache pip
         uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}
-          restore-keys: |
-            ${{ runner.os }}-pip-
 
       - name: Install dependencies
         run: |
           pip install -r requirements.txt
 
-      - name: Run app import check
+      - name: Import check
         run: |
           python -c "import main"
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
-      - name: Build Docker image
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push image
         run: |
-          docker build -t fastapi-app .
+          docker build -t ${{ secrets.DOCKERHUB_USERNAME }}/fastapi-app:latest .
+          docker push ${{ secrets.DOCKERHUB_USERNAME }}/fastapi-app:latest