Initial upload of BB-Apartment 2026 website.

Adds the complete Next.js website including i18n routing, house and
apartment pages, Beds24 v2 integration for live availability/pricing,
Stripe checkout, contact forms, Docker setup and deployment docs.

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

docker-compose.yml

@@ -0,0 +1,70 @@
+version: "3.8"
+
+services:
+  postgres:
+    image: postgres:16-alpine
+    container_name: bb-apartment-postgres
+    environment:
+      POSTGRES_USER: ${POSTGRES_USER:-bbapartment}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-changeme}
+      POSTGRES_DB: ${POSTGRES_DB:-bb_apartment}
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+    networks:
+      - bb-apartment-network
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-bbapartment} -d ${POSTGRES_DB:-bb_apartment}"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+  nextjs:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: bb-apartment-nextjs
+    env_file:
+      - .env.local
+    environment:
+      DATABASE_URL: postgresql://${POSTGRES_USER:-bbapartment}:${POSTGRES_PASSWORD:-changeme}@postgres:5432/${POSTGRES_DB:-bb_apartment}
+    ports:
+      - "${NEXTJS_HOST_PORT:-3000}:3000"
+    depends_on:
+      postgres:
+        condition: service_healthy
+    networks:
+      - bb-apartment-network
+
+  n8n:
+    image: n8nio/n8n:latest
+    container_name: bb-apartment-n8n
+    env_file:
+      - .env.local
+    environment:
+      - N8N_BASIC_AUTH_ACTIVE=true
+      - N8N_BASIC_AUTH_USER=${N8N_BASIC_AUTH_USER:-admin}
+      - N8N_BASIC_AUTH_PASSWORD=${N8N_BASIC_AUTH_PASSWORD:-changeme}
+      - WEBHOOK_URL=${N8N_WEBHOOK_URL:-https://n8n.bb-apartment.de/}
+      - DB_TYPE=postgresdb
+      - DB_POSTGRESDB_HOST=postgres
+      - DB_POSTGRESDB_PORT=5432
+      - DB_POSTGRESDB_DATABASE=${POSTGRES_DB:-bb_apartment}
+      - DB_POSTGRESDB_USER=${POSTGRES_USER:-bbapartment}
+      - DB_POSTGRESDB_PASSWORD=${POSTGRES_PASSWORD:-changeme}
+    volumes:
+      - n8n-data:/home/node/.n8n
+    ports:
+      - "${N8N_HOST_PORT:-5678}:5678"
+    depends_on:
+      postgres:
+        condition: service_healthy
+    networks:
+      - bb-apartment-network
+
+volumes:
+  postgres-data:
+  n8n-data:
+
+networks:
+  bb-apartment-network:
+    driver: bridge