Prepare hosting deployment and Drone image builds

deploy/.env.hosting.example

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+# Image tag produced by Drone (latest or build number)
+IMAGE_TAG=latest
+
+# Optional explicit image names
+# BACKEND_IMAGE=registry.nevetime.ru/mc-panel-backend:latest
+# FRONTEND_IMAGE=registry.nevetime.ru/mc-panel-frontend:latest
+
+# External port for the frontend container
+FRONTEND_PORT=80

deploy/docker-compose.hosting.yml

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+version: '3.8'
+
+services:
+  backend:
+    image: ${BACKEND_IMAGE:-registry.nevetime.ru/mc-panel-backend:${IMAGE_TAG:-latest}}
+    container_name: mc-panel-backend
+    restart: unless-stopped
+    env_file:
+      - ../backend/.env
+    environment:
+      PORT: 8000
+      WORKERS: 2
+      PYTHONPATH: /app
+      DEBUG: 'false'
+    volumes:
+      - mc_servers:/app/servers
+      - mc_data:/app/data
+      - mc_logs:/app/logs
+    networks:
+      - mc-panel-network
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:8000/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 60s
+
+  frontend:
+    image: ${FRONTEND_IMAGE:-registry.nevetime.ru/mc-panel-frontend:${IMAGE_TAG:-latest}}
+    container_name: mc-panel-frontend
+    restart: unless-stopped
+    ports:
+      - "${FRONTEND_PORT:-80}:80"
+    depends_on:
+      backend:
+        condition: service_healthy
+    networks:
+      - mc-panel-network
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 30s
+
+volumes:
+  mc_servers:
+    driver: local
+  mc_data:
+    driver: local
+  mc_logs:
+    driver: local
+
+networks:
+  mc-panel-network:
+    driver: bridge