初始化项目：langgraph 学习笔记与 lg_common 通用组件包

docker-compose.yml

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+services:
+  postgres:
+    image: pgvector/pgvector:pg17
+    container_name: pgvector
+    restart: unless-stopped
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: postgres
+      POSTGRES_DB: postgres
+    ports:
+      - "5432:5432"
+    volumes:
+      - pgdata:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U postgres -d postgres"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+  redis:
+    image: redis:7.4-alpine
+    container_name: redis
+    restart: unless-stopped
+    command: redis-server --appendonly yes
+    ports:
+      - "6379:6379"
+    volumes:
+      - redisdata:/data
+    healthcheck:
+      test: ["CMD", "redis-cli", "ping"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+volumes:
+  pgdata:
+  redisdata: