feat(database): add psql_bouncer support and simplify postgresql config

- Add new psql_bouncer database provider option
- Update database scripts to handle psql_bouncer provider
- Comment out pgbouncer service in docker-compose
- Simplify postgresql schema by removing directUrl
- Add new psql_bouncer-schema.prisma file
- Update .env.example with psql_bouncer configuration
- Modify runWithProvider.js to handle psql_bouncer migrations

Author: guilherme

.env.example

@@ -27,14 +27,17 @@ EVENT_EMITTER_MAX_LISTENERS=50
 # If you don't even want an expiration, enter the value false
 DEL_INSTANCE=false
 
-# Provider: postgresql | mysql
+# Provider: postgresql | mysql | psql_bouncer
 DATABASE_PROVIDER=postgresql
-DATABASE_CONNECTION_URI='postgresql://user:pass@postgres:6543/evolution_db?pgbouncer=true&schema=evolution_api'
-DATABASE_DIRECT_CONNECTION_URI=postgresql://user:pass@postgres:5432/evolution_db?schema=evolution_api
+DATABASE_CONNECTION_URI='postgresql://user:pass@postgres:5432/evolution_db?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
 
+# Bouncer connection: used only when the database provider is set to 'psql_bouncer'.
+# Defines the PostgreSQL URL with pgbouncer enabled (pgbouncer=true).
+# DATABASE_BOUNCER_CONNECTION_URI=postgresql://user:pass@pgbouncer:5432/evolution_db?pgbouncer=true&schema=evolution_api
+
 # Choose the data you want to save in the application's database
 DATABASE_SAVE_DATA_INSTANCE=true
 DATABASE_SAVE_DATA_NEW_MESSAGE=true

Docker/scripts/deploy_database.sh

@@ -6,7 +6,7 @@ if [ "$DOCKER_ENV" != "true" ]; then
     export_env_vars
 fi
 
-if [[ "$DATABASE_PROVIDER" == "postgresql" || "$DATABASE_PROVIDER" == "mysql" ]]; then
+if [[ "$DATABASE_PROVIDER" == "postgresql" || "$DATABASE_PROVIDER" == "mysql" || "$DATABASE_PROVIDER" == "psql_bouncer" ]]; then
     export DATABASE_URL
     echo "Deploying migrations for $DATABASE_PROVIDER"
     echo "Database URL: $DATABASE_URL"

Docker/scripts/generate_database.sh

@@ -6,7 +6,7 @@ if [ "$DOCKER_ENV" != "true" ]; then
     export_env_vars
 fi
 
-if [[ "$DATABASE_PROVIDER" == "postgresql" || "$DATABASE_PROVIDER" == "mysql" ]]; then
+if [[ "$DATABASE_PROVIDER" == "postgresql" || "$DATABASE_PROVIDER" == "mysql" || "$DATABASE_PROVIDER" == "psql_bouncer" ]]; then
     export DATABASE_URL
     echo "Generating database for $DATABASE_PROVIDER"
     echo "Database URL: $DATABASE_URL"
@@ -20,4 +20,4 @@ if [[ "$DATABASE_PROVIDER" == "postgresql" || "$DATABASE_PROVIDER" == "mysql" ]]
 else
     echo "Error: Database provider $DATABASE_PROVIDER invalid."
     exit 1
-fi
+fi

docker-compose.yaml

@@ -54,22 +54,22 @@ services:
     volumes:
     - 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
+  # 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:

prisma/postgresql-schema.prisma

@@ -9,9 +9,8 @@ generator client {
 }
 
 datasource db {
-  provider  = "postgresql"
-  url       = env("DATABASE_CONNECTION_URI")
-  directUrl = env("DATABASE_DIRECT_CONNECTION_URI")
+  provider = "postgresql"
+  url      = env("DATABASE_CONNECTION_URI")
 }
 
 enum InstanceConnectionStatus {