connection pool size config

Author: PJEstrada

values.yaml

@@ -66,7 +66,7 @@ diffgramSettings:
   CLOUD_STORAGE_BUCKET: diffgram-testing
   ML__CLOUD_STORAGE_BUCKET: diffgram-testing
   SERVICE_ACCOUNT_FULL_PATH: /etc/gcp/sa_credentials.json
-  DATABASE_CONNECTION_POOL_SIZE: 20
+  DATABASE_CONNECTION_POOL_SIZE: "10"
   GOOGLE_APPLICATION_CREDENTIALS: /etc/gcp/sa_credentials.json # Check the volume in deployment.yaml and service_account_secret.yaml
 
   # Set this value if you want to use GCP as your storage. Put your json service account encoded in base 64