Logging

logger.bind()

• It is used to attach extra contextual information to log message
• Every log generated through bound logger came the same context

logger
  |----- txnid
           |-----> service-1 
           |-----> service-2

when you have many services, thread or analsis task

eg1

log1 = logger.bind(txnid='123')
log2 = logger.bind(txnid='456')

log1.info("Request1")
log2.info("Request2")