迁移 PostgreSQL 并新增 Python API 服务

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

docker-compose.yml

@@ -1,12 +1,29 @@
 services:
+  postgres:
+    image: postgres:18.3-alpine3.23
+    environment:
+      POSTGRES_USER: trade
+      POSTGRES_PASSWORD: trade
+      POSTGRES_DB: futures
+    volumes:
+      - pgdata:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U trade -d futures"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+
   tushare:
     build: ./tushare
     env_file: ./tushare/.env
     environment:
-      - DB_PATH=/app/data/futures.db
-    volumes:
-      - ./data:/app/data
-    command: ["python", "-m", "src.main"]
+      - DATABASE_URL=postgresql://trade:trade@postgres:5432/futures
+    depends_on:
+      postgres:
+        condition: service_healthy
+    ports:
+      - "8000:8000"
+    command: ["uvicorn", "src.api:app", "--host", "0.0.0.0", "--port", "8000"]
 
   web:
     build:
@@ -15,14 +32,15 @@ services:
     env_file: ./web/backend/.env
     environment:
       - LISTEN_ADDR=:8080
-      - FUTURES_DB_PATH=/app/data/futures.db
+      - DATABASE_URL=postgres://trade:trade@postgres:5432/futures?sslmode=disable
       - AUTH_DB_PATH=/app/auth/auth.db
-    volumes:
-      # futures.db 由 tushare 写入,web 端通过 DSN mode=ro&query_only 只读访问;
-      # 不在容器层加 :ro,因为 WAL 模式下读访问也需要写 -shm 同步文件
-      - ./data:/app/data
-      # auth.db 由 web 自己写,落在 ./data/auth.db (已被 .gitignore)
-      - ./data:/app/auth
+    depends_on:
+      - postgres
     ports:
       - "8080:8080"
+    volumes:
+      - ./data:/app/auth
     restart: unless-stopped
+
+volumes:
+  pgdata: