Add redis config (#1104)

### What problem does this PR solve?

Redis post config is missing

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

Signed-off-by: Jin Hai <haijin.chn@gmail.com>

docker/.env

@@ -26,6 +26,7 @@ MINIO_PORT=9000
 MINIO_USER=rag_flow
 MINIO_PASSWORD=infini_rag_flow
 
+REDIS_PORT=6379
 REDIS_PASSWORD=infini_rag_flow
 
 SVR_HTTP_PORT=9380

docker/docker-compose-base.yml

@@ -77,6 +77,8 @@ services:
     image: redis:7.2.4
     container_name: ragflow-redis
     command: redis-server --requirepass ${REDIS_PASSWORD} --maxmemory 128mb --maxmemory-policy allkeys-lru
+    ports:
+      - ${REDIS_PORT}:6379
     volumes:
       - redis_data:/data
     networks: