fix: added pgBouncer for conn pool manage

docker-compose.yml

@@ -14,6 +14,38 @@ services:
       - db_data:/var/lib/postgresql/data
     restart: unless-stopped
 
+  pgbouncer:
+    image: pgbouncer/pgbouncer:latest
+    container_name: pgbouncer
+    environment:
+      POSTGRES_HOST: postgres
+      POSTGRES_PORT: "5432"
+      POSTGRES_DB: flower
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: postgres
+      DATABASES_HOST: postgres
+      DATABASES_PORT: "5432"
+      DATABASES_USER: postgres
+      DATABASES_PASSWORD: postgres
+      DATABASES_DBNAME: flower
+      PGBOUNCER_POOL_MODE: transaction
+      PGBOUNCER_MAX_CLIENT_CONN: "100"
+      PGBOUNCER_DEFAULT_POOL_SIZE: "25"
+      PGBOUNCER_MIN_POOL_SIZE: "5"
+      PGBOUNCER_RESERVE_POOL_SIZE: "5"
+      PGBOUNCER_RESERVE_POOL_TIMEOUT: "3"
+      PGBOUNCER_SERVER_IDLE_TIMEOUT: "600"
+      PGBOUNCER_LOG_CONNECTIONS: "1"
+      PGBOUNCER_LOG_DISCONNECTIONS: "1"
+      PGBOUNCER_LOG_POOLER_ERRORS: "1"
+    ports:
+      - "6432:6432"
+    volumes:
+      - ./pgbouncer/pgbouncer.ini:/etc/pgbouncer/pgbouncer.ini:ro
+    depends_on:
+      - postgres
+    restart: unless-stopped
+
   pgadmin:
     image: dpage/pgadmin4:latest
     container_name: pgadmin
@@ -68,12 +100,13 @@ services:
       PYTHONPATH: /app
       DEBUG: "1"
       ALLOWED_HOSTS: "localhost,127.0.0.1,0.0.0.0,8.148.215.233,yuwenerp.yuwen.cloud"
-      DB_HOST: postgres
-      DB_PORT: "5432"
+      DB_HOST: pgbouncer
+      DB_PORT: "6432"
       DB_NAME: flower
       DB_USER: postgres
       DB_PASSWORD: postgres
     depends_on:
+      - pgbouncer
       - postgres
       - redis
       - rabbitmq
@@ -103,11 +136,16 @@ services:
       CELERY_BROKER_URL: amqp://guest:guest@rabbitmq:5672//
       CELERY_RESULT_BACKEND: redis://redis:6379/0
       PYTHONPATH: /app
-      DB_HOST: postgres
-      DB_PORT: "5432"
+      DB_HOST: pgbouncer
+      DB_PORT: "6432"
       DB_NAME: flower
       DB_USER: postgres
       DB_PASSWORD: postgres
+    depends_on:
+      - pgbouncer
+      - postgres
+      - redis
+      - rabbitmq
     restart: unless-stopped
 
   celery_beat:
@@ -131,13 +169,18 @@ services:
     environment:
       DJANGO_SETTINGS_MODULE: flower.settings
       PYTHONPATH: /app
-      DB_HOST: postgres
-      DB_PORT: "5432"
+      DB_HOST: pgbouncer
+      DB_PORT: "6432"
       DB_NAME: flower
       DB_USER: postgres
       DB_PASSWORD: postgres
       CELERY_BROKER_URL: amqp://guest:guest@rabbitmq:5672//
       CELERY_RESULT_BACKEND: redis://redis:6379/0
+    depends_on:
+      - pgbouncer
+      - postgres
+      - redis
+      - rabbitmq
     restart: unless-stopped
 
 volumes: