DevOpsFu

resource "tls_private_key" "trustanchor_key" {
  algorithm   = "ECDSA"
  ecdsa_curve = "P256"
}

resource "tls_self_signed_cert" "trustanchor_cert" {
  key_algorithm         = tls_private_key.trustanchor_key.algorithm
  private_key_pem       = tls_private_key.trustanchor_key.private_key_pem
  validity_period_hours = 87600
  is_ca_certificate     = true

ashrithr

Introduction to Kafka

Kafka acts as a kind of write-ahead log (WAL) that records messages to a persistent store (disk) and allows subscribers to read and apply these changes to their own stores in a system appropriate time-frame.

Terminology:

• Producers send messages to brokers
• Consumers read messages from brokers
• Messages are sent to a topic