From 3b920f93c57149e0e11d8857049a2ee6a0ab4a40 Mon Sep 17 00:00:00 2001
From: guilherme <gui.aguiar1945@mgial.com>
Date: Tue, 8 Jul 2025 17:14:37 -0300
Subject: [PATCH] feat(database): add pgbouncer support and optimize postgres
 config

- Add pgbouncer service to handle connection pooling
- Update database connection URIs to support direct and pooled connections
- Optimize postgres configuration with better memory settings
- Update prisma schema to support directUrl connection
---
 .env.example                    |  3 ++-
 docker-compose.yaml             | 33 ++++++++++++++++++++++++++++-----
 prisma/postgresql-schema.prisma | 11 ++++++-----
 3 files changed, 36 insertions(+), 11 deletions(-)

diff --git a/.env.example b/.env.example
index 9325f3ab..8ae5da26 100644
--- a/.env.example
+++ b/.env.example
@@ -29,7 +29,8 @@ DEL_INSTANCE=false
 
 # Provider: postgresql | mysql
 DATABASE_PROVIDER=postgresql
-DATABASE_CONNECTION_URI='postgresql://user:pass@postgres:5432/evolution?schema=public'
+DATABASE_CONNECTION_URI='postgresql://user:pass@postgres:6543/evolution?pgbouncer=true&schema=evolution_api'
+DATABASE_DIRECT_CONNECTION_URI=postgresql://user:pass@postgres:5432/evolution?schema=evolution_api
 # Client name for the database connection
 # It is used to separate an API installation from another that uses the same database.
 DATABASE_CONNECTION_CLIENT_NAME=evolution_exchange
diff --git a/docker-compose.yaml b/docker-compose.yaml
index 33918c38..a5169c45 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -1,4 +1,5 @@
 services:
+  
   api:
     container_name: evolution_api
     image: evoapicloud/evolution-api:latest
@@ -34,19 +35,41 @@ services:
     image: postgres:15
     networks:
       - evolution-net
-    command: ["postgres", "-c", "max_connections=1000", "-c", "listen_addresses=*"]
+    command: [
+      "postgres",
+      "-c", "max_connections=200",
+      "-c", "listen_addresses=*",
+      "-c", "shared_buffers=256MB",
+      "-c", "effective_cache_size=1GB",
+      "-c", "work_mem=4MB"
+    ]
     restart: always
     ports:
       - 5432:5432
     environment:
       - POSTGRES_USER=user
       - POSTGRES_PASSWORD=pass
-      - POSTGRES_DB=evolution
+      - POSTGRES_DB=evolution_db
       - POSTGRES_HOST_AUTH_METHOD=trust
     volumes:
-      - postgres_data:/var/lib/postgresql/data
-    expose:
-      - 5432
+    - postgres_data:/var/lib/postgresql/data
+
+  pgbouncer:
+    image: edoburu/pgbouncer:latest
+    environment:
+      DB_HOST: postgres
+      DB_USER: user
+      DB_PASSWORD: pass
+      POOL_MODE: transaction
+      AUTH_TYPE: trust
+      MAX_CLIENT_CONN: 1000
+      DEFAULT_POOL_SIZE: 25
+    depends_on:
+      - postgres
+    ports:
+      - "6543:5432"
+    networks:
+      - evolution-net
 
 volumes:
   evolution_instances:
diff --git a/prisma/postgresql-schema.prisma b/prisma/postgresql-schema.prisma
index 7d2410e9..739a61dd 100644
--- a/prisma/postgresql-schema.prisma
+++ b/prisma/postgresql-schema.prisma
@@ -9,8 +9,9 @@ generator client {
 }
 
 datasource db {
-  provider = "postgresql"
-  url      = env("DATABASE_CONNECTION_URI")
+  provider  = "postgresql"
+  url       = env("DATABASE_CONNECTION_URI")
+  directUrl = env("DATABASE_DIRECT_CONNECTION_URI")
 }
 
 enum InstanceConnectionStatus {
@@ -376,8 +377,8 @@ model TypebotSetting {
   debounceTime      Int?      @db.Integer
   typebotIdFallback String?   @db.VarChar(100)
   ignoreJids        Json?
-  splitMessages     Boolean?         @default(false) @db.Boolean
-  timePerChar       Int?             @default(50) @db.Integer
+  splitMessages     Boolean?  @default(false) @db.Boolean
+  timePerChar       Int?      @default(50) @db.Integer
   createdAt         DateTime? @default(now()) @db.Timestamp
   updatedAt         DateTime  @updatedAt @db.Timestamp
   Fallback          Typebot?  @relation(fields: [typebotIdFallback], references: [id])
@@ -748,4 +749,4 @@ model EvoaiSetting {
   evoaiIdFallback String?   @db.VarChar(100)
   Instance        Instance  @relation(fields: [instanceId], references: [id], onDelete: Cascade)
   instanceId      String    @unique
-}
\ No newline at end of file
+}