Tapalogi's Mailer Microservice

A mailer microservice that respects SMTP rate limits.

Data Structures

1. MessageDraft

All draft/pending email must be in a valid json format, this service will consume from MQ_TOPIC_SOURCE. Example format:

{
  "id":"320b0555-4c73-4abf-aaf0-461b84860046", //UUID
  "email_to":"[email protected]",
  "email_to_name":"Tapalogi Administrator",
  "email_from":"[email protected]",
  "email_from_name":"Tapalogi System",
  "subject":"Tapa Micro Mailer - Test #1613990722427731276",
  "body_type":"HTML", //HTML/ASCII
  "body":"Hello!! This is from example.com",
  "timestamp":"2021-02-22T10:45:22.427738+00:00" //RFC3339+FixedOffset
}

2. MessageFail

Every failed draft consumption will produce an event to MQ_TOPIC_FAILURE. Example format:

{
  "origin_offset":null,
  "service_instance_name":"MAILER-TEST_a883fe203bb31",
  "message_copy":"{
      \"id\":\"320b0555-4c73-4abf-aaf0-461b84860046\",
      \"email_to\":\"[email protected]\",
      \"email_to_name\":\"Tapalogi Administrator\",
      \"email_from\":\"[email protected]\",
      \"email_from_name\":\"Tapalogi System\",
      \"subject\":\"Tapa Micro Mailer - Test #1613990722427731276\",
      \"body_type\":\"HTML\",
      \"body\":\"Hello!! This is from example.com\",
      \"timestamp\":\"2021-02-22T10:45:22.427738+00:00\"
    }",
  "fail_reason":"UNKNOWN", //OTHER/BAD_DRAFT/QUOTA_EXHAUSTED/UNKNOWN
  "timestamp":"2021-02-22T10:45:22.427738+00:00" //RFC3339+FixedOffset
}

3. MessageSent

Every successful draft consumption will produce an event to MQ_TOPIC_SUCCESS. Example format:

{
  "origin_offset":null,
  "service_instance_name":"MAILER-TEST_a883fe203bb31",
  "draft_id":"320b0555-4c73-4abf-aaf0-461b84860046",
  "timestamp":"2021-02-22T10:45:22.427738+00:00" //RFC3339+FixedOffset
}