feat: Add Docker infrastructure for multi-tenant Django application with services for database, caching, and task processing.

docker/entrypoint.sh.example

@@ -0,0 +1,135 @@
+#!/bin/bash
+set -e
+
+# Ожидание готовности PostgreSQL
+wait_for_postgres() {
+    echo "Waiting for PostgreSQL..."
+    while ! python -c "
+import psycopg2
+import os
+try:
+    conn = psycopg2.connect(
+        dbname=os.environ.get('DB_NAME', 'inventory_db'),
+        user=os.environ.get('DB_USER', 'postgres'),
+        password=os.environ.get('DB_PASSWORD', 'postgres'),
+        host=os.environ.get('DB_HOST', 'db'),
+        port=os.environ.get('DB_PORT', '5432')
+    )
+    conn.close()
+    exit(0)
+except:
+    exit(1)
+" 2>/dev/null; do
+        echo "PostgreSQL is unavailable - sleeping"
+        sleep 2
+    done
+    echo "PostgreSQL is up!"
+}
+
+# Ожидание готовности Redis
+wait_for_redis() {
+    echo "Waiting for Redis..."
+    while ! python -c "
+import redis
+import os
+try:
+    r = redis.Redis(
+        host=os.environ.get('REDIS_HOST', 'redis'),
+        port=int(os.environ.get('REDIS_PORT', '6379')),
+        db=int(os.environ.get('REDIS_DB', '0'))
+    )
+    r.ping()
+    exit(0)
+except:
+    exit(1)
+" 2>/dev/null; do
+        echo "Redis is unavailable - sleeping"
+        sleep 2
+    done
+    echo "Redis is up!"
+}
+
+# Применение миграций и создание суперпользователя
+run_migrations() {
+    echo "Running migrations for shared apps..."
+    python manage.py migrate_schemas --shared
+
+    echo "Running migrations for tenant schemas..."
+    python manage.py migrate_schemas --tenant
+
+    echo "Collecting static files..."
+    python manage.py collectstatic --noinput
+}
+
+# Создание суперпользователя если не существует
+create_superuser() {
+    echo "Creating superuser if not exists..."
+    python manage.py shell << EOF
+from django.contrib.auth import get_user_model
+from django.db import connection
+from django_tenants.utils import schema_context
+import os
+
+User = get_user_model()
+
+# Создаём суперпользователя в public схеме из переменных окружения
+with schema_context('public'):
+    email = os.environ.get('TENANT_ADMIN_EMAIL', 'admin@example.com')
+    password = os.environ.get('TENANT_ADMIN_PASSWORD', 'changeme')
+    first_name = os.environ.get('TENANT_ADMIN_NAME', 'Admin')
+
+    if not User.objects.filter(email=email).exists():
+        user = User.objects.create_superuser(
+            email=email,
+            password=password,
+            first_name=first_name
+        )
+        print(f'Superuser {email} created successfully!')
+    else:
+        print(f'Superuser {email} already exists.')
+EOF
+}
+
+case "$1" in
+    web)
+        wait_for_postgres
+        wait_for_redis
+        run_migrations
+        create_superuser
+        echo "Starting Gunicorn..."
+        exec gunicorn myproject.wsgi:application \
+            --bind 0.0.0.0:8000 \
+            --workers 3 \
+            --threads 2 \
+            --timeout 120 \
+            --access-logfile - \
+            --error-logfile - \
+            --capture-output
+        ;;
+    celery-worker)
+        wait_for_postgres
+        wait_for_redis
+        echo "Starting Celery Worker..."
+        exec celery -A myproject worker \
+            -l info \
+            -Q celery,photo_processing \
+            --concurrency=2
+        ;;
+    celery-beat)
+        wait_for_postgres
+        wait_for_redis
+        echo "Starting Celery Beat..."
+        exec celery -A myproject beat -l info
+        ;;
+    migrate)
+        wait_for_postgres
+        run_migrations
+        create_superuser
+        ;;
+    shell)
+        exec python manage.py shell
+        ;;
+    *)
+        exec "$@"
+        ;;
+esac