feat(docker): Integrate PgBouncer for connection poolingAdd PgBouncer service to the docker-compose setup for improved database connection management. Update .env.example to include new PgBouncer environment variables and service inclusion. Add PgBouncer profiles and tags to docker-compose.yml and override files for local and production configurations. Include PgBouncer initialization script for database user setup

.env.example

@@ -15,13 +15,14 @@ DEV_MODE=
 
 # Services
 PROJECT_NAME=odoocker
-SERVICES=odoo,nginx,proxy,postgres
+SERVICES=odoo,nginx,proxy,postgres,pgbouncer
 
 # Service configuration
 USE_REDIS=false
 USE_S3=false
 USE_SENTRY=false
 USE_PGADMIN=false
+USE_PGBOUNCER=false
 
 # GitHub user and access token to clone private repositories
 GITHUB_USER=
@@ -46,6 +47,11 @@ UNACCENT=False
 LIST_DB=True
 DBFILTER=.*
 
+# PgBouncer
+POOL_MODE=transaction
+MAX_CLIENT_CONN=500
+ADMIN_USERS=postgres,dbuser,odoo
+
 # Logging
 LOG_LEVEL=info
 # Additional logs
@@ -135,6 +141,7 @@ USE_REDIS=${USE_REDIS}
 USE_S3=${USE_S3}
 USE_SENTRY=${USE_SENTRY}
 USE_PGADMIN=${USE_PGADMIN}
+USE_PGBOUNCER=${USE_PGBOUNCER}
 
 # Which services are going to be brought up
 COMPOSE_PROFILES=${SERVICES}
@@ -148,10 +155,12 @@ ACME_COMPANION_PROFILES="acme"
 KEYDB_PROFILES="keydb"
 MINIO_PROFILES="minio"
 PGADMIN_PROFILES="pgadmin"
+PGBOUNCER_PROFILES="pgbouncer"
 
 # Containers' Tags
 ODOO_TAG=17.0
 POSTGRES_TAG=16.1
+PGBOUNCER_TAG=latest
 KEYDB_TAG=latest
 MINIO_TAG=latest
 NGINX_TAG=1.25.3