lab-2: add web_lite and web_pg configurations

lab-2/web_lite/docker-compose.yaml

@@ -0,0 +1,27 @@
+name: lab2-web-lite
+
+services:
+  backend_service:
+    image: dcr.deev.su/deevev/lab2-backend:1.0.0
+    command: >
+      sh -c "python manage.py migrate &&
+             python manage.py collectstatic --no-input &&
+             gunicorn lab1.wsgi:application --bind 0.0.0.0:8000"
+    volumes:
+      - static_volume:/app/staticfiles
+    env_file:
+      - .env
+    restart: unless-stopped
+
+  nginx_service:
+    image: dcr.deev.su/deevev/lab2-nginx:1.0.0
+    ports:
+      - "80:80"
+    volumes:
+      - static_volume:/staticfiles
+    depends_on:
+      - backend_service
+    restart: unless-stopped
+
+volumes:
+  static_volume:

lab-2/web_pg/docker-compose.yaml

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+name: lab2-web-pg
+
+services:
+  postgres_service:
+    image: postgres:alpine
+    env_file:
+      - .env
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U $$POSTGRES_USER -d $$POSTGRES_DB"]
+      interval: 10s
+      timeout: 30s
+      retries: 5
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+
+  backend_service:
+    image: dcr.deev.su/deevev/lab2-backend:1.0.0
+    command: > # python manage.py createsuperuser --noinput &&
+      sh -c "python manage.py migrate &&
+             python manage.py shell -c 'from quiz.gentestdata import gentestdata; gentestdata()' &&
+             python manage.py collectstatic --no-input &&
+             gunicorn lab1.wsgi:application --bind 0.0.0.0:8000"
+    volumes:
+      - static_volume:/app/staticfiles
+    env_file:
+      - .env
+    depends_on:
+      postgres_service:
+        condition: service_healthy
+    restart: unless-stopped
+
+  nginx_service:
+    image: dcr.deev.su/deevev/lab2-nginx:1.0.0
+    ports:
+      - "80:80"
+    volumes:
+      - static_volume:/staticfiles
+    depends_on:
+      - backend_service
+    restart: unless-stopped
+
+volumes:
+  static_volume:
+  postgres_data: