Add EvoSync v3 environment scaffold

FastAPI + Celery + Redis + MariaDB stack with 6-service docker-compose.
Includes project skeleton (config, database, models, tasks, migrations)
and health endpoint with passing test.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

docker-compose.yml

@@ -1,35 +1,110 @@
-version: "3.8"
-
 services:
+  db:
+    image: mariadb:11.4
+    restart: unless-stopped
+    environment:
+      MYSQL_ROOT_PASSWORD: ${DB_ROOT_PASSWORD}
+      MYSQL_DATABASE: ${DB_NAME}
+      MYSQL_USER: ${DB_USER}
+      MYSQL_PASSWORD: ${DB_PASSWORD}
+    volumes:
+      - db_data:/var/lib/mysql
+    healthcheck:
+      test: ["CMD", "healthcheck.sh", "--connect", "--innodb_initialized"]
+      interval: 10s
+      timeout: 5s
+      retries: 10
+      start_period: 30s
+
+  redis:
+    image: redis:7-alpine
+    restart: unless-stopped
+    command: redis-server --save 60 1 --loglevel warning
+    volumes:
+      - redis_data:/data
+    healthcheck:
+      test: ["CMD", "redis-cli", "ping"]
+      interval: 5s
+      timeout: 3s
+      retries: 5
+
   web:
     build:
       context: .
       dockerfile: Dockerfile.web
+    restart: unless-stopped
     ports:
-      - "8080:3000"
+      - "8080:8000"
     environment:
-      - DATABASE_URL=mysql://${DB_USER}:${DB_PASSWORD}@host.docker.internal:3306/${DB_NAME}
-      - SECRET_KEY=${SECRET_KEY:-change-me-in-production}
-      - BASE_URL=${BASE_URL:-https://evosync.ru}
-      - EVOTOR_APP_ID=${EVOTOR_APP_ID}
-      - EVOTOR_WEBHOOK_SECRET=${EVOTOR_WEBHOOK_SECRET}
-      - VK_CLIENT_ID=${VK_CLIENT_ID}
-      - VK_CLIENT_SECRET=${VK_CLIENT_SECRET}
-      - JIVOSITE_WIDGET_ID=${JIVOSITE_WIDGET_ID}
-      - NODE_ENV=production
-      - VK_DEFAULT_PHOTO_PATH=/app/default_product.png
+      DATABASE_URL: mysql+pymysql://${DB_USER}:${DB_PASSWORD}@db:3306/${DB_NAME}
+      REDIS_URL: redis://redis:6379/0
+      SECRET_KEY: ${SECRET_KEY:-change-me-in-production}
+      BASE_URL: ${BASE_URL:-https://evosync.ru}
+      EVOTOR_APP_ID: ${EVOTOR_APP_ID:-}
+      EVOTOR_WEBHOOK_SECRET: ${EVOTOR_WEBHOOK_SECRET:-}
+      JIVOSITE_WIDGET_ID: ${JIVOSITE_WIDGET_ID:-}
+      VK_DEFAULT_PHOTO_PATH: /app/default_product.png
     volumes:
       - ./5393364294319597854.png:/app/default_product.png:ro
-    restart: unless-stopped
-    extra_hosts:
-      - "host.docker.internal:host-gateway"
+    depends_on:
+      db:
+        condition: service_healthy
+      redis:
+        condition: service_healthy
+    command: >
+      sh -c "alembic upgrade head && uvicorn web.main:app --host 0.0.0.0 --port 8000"
 
-  # sync:
-  #   build:
-  #     context: .
-  #     dockerfile: Dockerfile
-  #   volumes:
-  #     - ./evo:/var/www/evo
-  #     - ./vk:/var/www/vk
-  #     - ./run:/var/www/run
-  #     - ./logs:/var/www/logs
+  worker:
+    build:
+      context: .
+      dockerfile: Dockerfile.web
+    restart: unless-stopped
+    environment:
+      DATABASE_URL: mysql+pymysql://${DB_USER}:${DB_PASSWORD}@db:3306/${DB_NAME}
+      REDIS_URL: redis://redis:6379/0
+      SECRET_KEY: ${SECRET_KEY:-change-me-in-production}
+      EVOTOR_APP_ID: ${EVOTOR_APP_ID:-}
+      EVOTOR_WEBHOOK_SECRET: ${EVOTOR_WEBHOOK_SECRET:-}
+      VK_DEFAULT_PHOTO_PATH: /app/default_product.png
+    volumes:
+      - ./5393364294319597854.png:/app/default_product.png:ro
+    depends_on:
+      redis:
+        condition: service_healthy
+      db:
+        condition: service_healthy
+    command: celery -A web.tasks.celery_app worker --loglevel=info --concurrency=2 --queues=default,sync,health
+
+  beat:
+    build:
+      context: .
+      dockerfile: Dockerfile.web
+    restart: unless-stopped
+    environment:
+      DATABASE_URL: mysql+pymysql://${DB_USER}:${DB_PASSWORD}@db:3306/${DB_NAME}
+      REDIS_URL: redis://redis:6379/0
+      SECRET_KEY: ${SECRET_KEY:-change-me-in-production}
+    depends_on:
+      redis:
+        condition: service_healthy
+      db:
+        condition: service_healthy
+    command: celery -A web.tasks.celery_app beat --loglevel=info --scheduler celery.beat:PersistentScheduler --schedule /tmp/celerybeat-schedule
+
+  flower:
+    build:
+      context: .
+      dockerfile: Dockerfile.web
+    restart: unless-stopped
+    ports:
+      - "5555:5555"
+    environment:
+      REDIS_URL: redis://redis:6379/0
+      FLOWER_BASIC_AUTH: ${FLOWER_USER:-admin}:${FLOWER_PASSWORD:-changeme}
+    depends_on:
+      - redis
+    command: celery -A web.tasks.celery_app flower --port=5555 --basic_auth=${FLOWER_USER:-admin}:${FLOWER_PASSWORD:-changeme}
+
+volumes:
+  db_data:
+  redis_data: