修改路径，从src放到根目录

docker-compose.yml

@@ -0,0 +1,14 @@
+version: '3.8'
+
+services:
+  face-recognition:
+    build: .
+    ports:
+      - "8000:8000"
+    environment:
+      - DEBUG=True
+      - DATABASE_URL=postgresql://username:password@host:port/database
+    restart: unless-stopped
+    volumes:
+      - ./src/videos:/app/videos
+      - ./src/face_database.pkl:/app/face_database.pkl