Feature/Terraform setup

.env.example

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+# Backend Environment Variables
+DJANGO_DEBUG=False
+DJANGO_ALLOWED_HOSTS=localhost,127.0.0.1,backend
+DJANGO_CORS_ALLOWED_ORIGINS=http://localhost:3000,http://localhost:5173
+DJANGO_SECRET_KEY=your-secret-key-here-change-in-production
+
+# Frontend Environment Variables
+VITE_API_URL=http://localhost:8000
+
+# Docker Hub (for CI/CD)
+# DOCKERHUB_USERNAME=your-dockerhub-username
+# DOCKERHUB_TOKEN=your-dockerhub-token

.github/workflows/docker-build-deploy.yml

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+name: Docker Build and Deploy
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+env:
+  REGISTRY: docker.io
+  BACKEND_IMAGE: ${{ secrets.DOCKERHUB_USERNAME }}/devops-backend
+  FRONTEND_IMAGE: ${{ secrets.DOCKERHUB_USERNAME }}/devops-frontend
+
+jobs:
+  build-and-push:
+    name: Build and Push Docker Images
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Extract metadata for backend
+        id: backend-meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.BACKEND_IMAGE }}
+          tags: |
+            type=raw,value=latest
+            type=sha,prefix={{branch}}-
+
+      - name: Build and push backend image
+        uses: docker/build-push-action@v5
+        with:
+          context: ./backend
+          file: ./backend/Dockerfile
+          push: true
+          tags: ${{ steps.backend-meta.outputs.tags }}
+          labels: ${{ steps.backend-meta.outputs.labels }}
+          cache-from: type=registry,ref=${{ env.BACKEND_IMAGE }}:buildcache
+          cache-to: type=registry,ref=${{ env.BACKEND_IMAGE }}:buildcache,mode=max
+
+      - name: Extract metadata for frontend
+        id: frontend-meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.FRONTEND_IMAGE }}
+          tags: |
+            type=raw,value=latest
+            type=sha,prefix={{branch}}-
+
+      - name: Build and push frontend image
+        uses: docker/build-push-action@v5
+        with:
+          context: ./frontend
+          file: ./frontend/Dockerfile
+          push: true
+          tags: ${{ steps.frontend-meta.outputs.tags }}
+          labels: ${{ steps.frontend-meta.outputs.labels }}
+          build-args: |
+            VITE_API_URL=${{ secrets.VITE_API_URL || 'http://localhost:8000' }}
+          cache-from: type=registry,ref=${{ env.FRONTEND_IMAGE }}:buildcache
+          cache-to: type=registry,ref=${{ env.FRONTEND_IMAGE }}:buildcache,mode=max
+
+      - name: Image digest
+        run: |
+          echo "Backend image pushed with tags: ${{ steps.backend-meta.outputs.tags }}"
+          echo "Frontend image pushed with tags: ${{ steps.frontend-meta.outputs.tags }}"
+
+  deploy:
+    name: Deploy Application
+    needs: build-and-push
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Deploy to Local/Self-Hosted
+        run: |
+          echo "Deployment step - Configure based on your target environment"
+          echo "For cloud deployment (AWS/Azure/GCP), add cloud-specific deployment steps here"
+          echo "For self-hosted deployment, ensure a GitHub runner is configured on your server"
+
+          # Example for self-hosted deployment:
+          # docker-compose pull
+          # docker-compose up -d
+
+          # Example for AWS ECS:
+          # aws ecs update-service --cluster <cluster> --service <service> --force-new-deployment
+
+          # Example for Azure Container Instances:
+          # az container create --resource-group <rg> --name <name> --image ${{ env.FRONTEND_IMAGE }}:latest
+
+          # Example for GCP Cloud Run:
+          # gcloud run deploy <service> --image ${{ env.FRONTEND_IMAGE }}:latest --platform managed
+
+      - name: Deployment Summary
+        run: |
+          echo "✅ Docker images built and pushed to Docker Hub"
+          echo "📦 Backend: ${{ env.BACKEND_IMAGE }}:latest"
+          echo "📦 Frontend: ${{ env.FRONTEND_IMAGE }}:latest"
+          echo "🚀 Deployment completed successfully"

.github/workflows/pr-check.yml

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+name: PR Check
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build-test:
+    name: Build and Test Docker Images
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build backend image
+        uses: docker/build-push-action@v5
+        with:
+          context: ./backend
+          file: ./backend/Dockerfile
+          push: false
+          load: true
+          tags: devops-backend:test
+
+      - name: Build frontend image
+        uses: docker/build-push-action@v5
+        with:
+          context: ./frontend
+          file: ./frontend/Dockerfile
+          push: false
+          load: true
+          tags: devops-frontend:test
+          build-args: |
+            VITE_API_URL=http://localhost:8000
+
+      - name: Test backend container
+        run: |
+          docker run -d --name test-backend -p 8000:8000 \
+            -e DJANGO_DEBUG=False \
+            -e DJANGO_ALLOWED_HOSTS=localhost,127.0.0.1 \
+            devops-backend:test
+
+          sleep 10
+
+          # Check if container is running
+          docker ps | grep test-backend
+
+          # Check health
+          curl -f http://localhost:8000/api/hello/ || exit 1
+
+          docker stop test-backend
+          docker rm test-backend
+
+      - name: Test frontend container
+        run: |
+          docker run -d --name test-frontend -p 3000:80 devops-frontend:test
+
+          sleep 5
+
+          # Check if container is running
+          docker ps | grep test-frontend
+
+          # Check health
+          curl -f http://localhost:3000/health || exit 1
+
+          docker stop test-frontend
+          docker rm test-frontend
+
+      - name: Check image sizes
+        run: |
+          echo "Backend image size:"
+          docker images devops-backend:test --format "{{.Size}}"
+
+          echo "Frontend image size:"
+          docker images devops-frontend:test --format "{{.Size}}"
+
+      - name: Security scan
+        uses: aquasecurity/trivy-action@master
+        with:
+          image-ref: devops-backend:test
+          format: 'table'
+          exit-code: '0'
+          severity: 'CRITICAL,HIGH'