• docker
• make

make up

• default port is 8085

curl -X POST localhost:8085/api/messages -d '{"email":"[email protected]","title":"Interview","content":"simple text","mailing_id":1, "insertion_time": "2020-04-24T05:42:38.725412916Z"}'

curl -X POST localhost:8085/api/messages/send -d '{"mailing_id":1}'

see http://localhost:8086 to view mailcatcher

• finish api docs in /docs/api.yaml
• add deletion endpoint
• add scheduled removals

• it's done asynchronously
• background worker consumes jobs:
  • mailing list is locked for the time of sending emails from it, so no new customers can be added at that time
  • sendout is done in concurrent batches