feat: add complete Docker setup for testing

- Update docker-compose.yml with frontend service and healthchecks

- Add frontend Dockerfile with dev and production stages

- Add nginx.conf for production frontend serving

- Add docker-compose.prod.yml for production deployment

- Add .env.example with all configuration options

- Add init scripts (init.sh, init.ps1) for easy setup

docker-compose.yml

@@ -1,6 +1,26 @@
+# =============================================================================
+# Aegis - MITRE ATT&CK Coverage Platform
+# =============================================================================
+# 
+# Quick Start:
+#   docker-compose up -d
+#   docker-compose exec backend alembic upgrade head
+#   docker-compose exec backend python -m app.seed
+#
+# Access:
+#   - Frontend:      http://localhost:5173
+#   - Backend API:   http://localhost:8000
+#   - Swagger UI:    http://localhost:8000/docs
+#   - MinIO Console: http://localhost:9001 (minioadmin/minioadmin)
+#
+# Default credentials: admin / admin123
+# =============================================================================
+
 services:
+  # ── PostgreSQL Database ────────────────────────────────────────────────────
   postgres:
-    image: postgres:15
+    image: postgres:15-alpine
+    container_name: aegis-postgres
     environment:
       POSTGRES_USER: postgres
       POSTGRES_PASSWORD: postgres
@@ -9,32 +29,91 @@ services:
       - "5433:5432"
     volumes:
       - postgres_data:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U postgres -d attackdb"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+    restart: unless-stopped
 
+  # ── MinIO Object Storage ───────────────────────────────────────────────────
   minio:
-    image: minio/minio
+    image: minio/minio:latest
+    container_name: aegis-minio
     command: server /data --console-address ":9001"
     environment:
       MINIO_ROOT_USER: minioadmin
       MINIO_ROOT_PASSWORD: minioadmin
     ports:
-      - "9000:9000"
-      - "9001:9001"
+      - "9000:9000"   # API
+      - "9001:9001"   # Console
     volumes:
       - minio_data:/data
+    healthcheck:
+      test: ["CMD", "mc", "ready", "local"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+    restart: unless-stopped
 
+  # ── FastAPI Backend ────────────────────────────────────────────────────────
   backend:
-    build: ./backend
+    build:
+      context: ./backend
+      dockerfile: Dockerfile
+    container_name: aegis-backend
     ports:
       - "8000:8000"
     environment:
+      # Database
       DATABASE_URL: postgresql://postgres:postgres@postgres:5432/attackdb
+      # Security (change in production!)
+      SECRET_KEY: change-me-in-production-use-a-long-random-string
+      ALGORITHM: HS256
+      ACCESS_TOKEN_EXPIRE_MINUTES: 60
+      # MinIO
+      MINIO_ENDPOINT: minio:9000
+      MINIO_ACCESS_KEY: minioadmin
+      MINIO_SECRET_KEY: minioadmin
+      MINIO_BUCKET: evidence
+      MINIO_SECURE: "false"
     depends_on:
-      - postgres
-      - minio
-    command: uvicorn app.main:app --host 0.0.0.0 --port 8000 --reload
+      postgres:
+        condition: service_healthy
+      minio:
+        condition: service_started
     volumes:
       - ./backend:/app
+    command: uvicorn app.main:app --host 0.0.0.0 --port 8000 --reload
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:8000/health"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+    restart: unless-stopped
 
+  # ── React Frontend (Development) ───────────────────────────────────────────
+  frontend:
+    build:
+      context: ./frontend
+      dockerfile: Dockerfile
+      target: development
+    container_name: aegis-frontend
+    ports:
+      - "5173:5173"
+    environment:
+      # Vite environment variables
+      VITE_API_URL: http://localhost:8000/api/v1
+    depends_on:
+      - backend
+    volumes:
+      - ./frontend:/app
+      - /app/node_modules  # Prevent overwriting node_modules
+    restart: unless-stopped
+
+# ── Volumes ──────────────────────────────────────────────────────────────────
 volumes:
   postgres_data:
+    name: aegis_postgres_data
   minio_data:
+    name: aegis_minio_data