General improvements.

conf/aether_api_config.py

@@ -26,6 +26,10 @@ class Settings(BaseSettings):
     DB['username'] = os.getenv('AE_DB_USERNAME', None) # 'osit_aether' # 'onesky_aether'
     DB['password'] = os.getenv('AE_DB_PASSWORD', None) #
     SQLALCHEMY_DB_URI = 'mysql://'+DB['username']+':'+DB['password']+'@'+DB['server']+'/'+DB['name']
+    
+    DB['wait_timeout'] = int(os.getenv('AE_DB_WAIT_TIMEOUT', 1800)) # default = 28800; Time (seconds) that the server waits for a connection to become active before closing it.
+    DB['connect_timeout'] = int(os.getenv('AE_DB_CONNECTION_TIMEOUT', 20)) # default = 10; Time (seconds) that the server waits for a connection to become active before closing it.
+    DB['pool_recycle'] = int(os.getenv('AE_DB_POOL_RECYCLE', 1800)) # default = ?; Related to SQLAlchemy
 
 
     # Aether API log files paths

conf/aether_fastapi_gunicorn_conf.py

@@ -24,7 +24,7 @@ wsgi_app = "app.main:app"
 # Setting a long timeout since some FastAPI API requests may take a while
 timeout = 2100 # default 30; 1200 is NOT enough; worker process silent then kill and restart
 graceful_timeout = 10 # default 30; timeout after restart signal
-keepalive = 2 # default 2; setting higher because behind load balancer (nginx)
+keepalive = 30 # default 2; setting higher because behind load balancer (nginx)
 
 # Reload does not work correctly with UvicornWorker
 # https://github.com/benoitc/gunicorn/issues/2339