This is Dockerfile of Digdag server to test for email sending.
docker pull akito19/digdag-server-email-sending:latest
docker run -p 65432:65432 akito19/digdag-server-email-sending
Then, access to http://localhost:65432
When using email on Digdag server, you need to prepare some secrets such as host, port, username, password and so on.
The details are in the docs.
Therefore, this dockerfile expects these configuration have been put in ~/.config/digdag/config like:
digdag.secret-access-policy-file = secret-access-policy.yaml
digdag.secret-encryption-key = your encryption key
secrets.mail.host = smtp.gmail.com
secrets.mail.password = PASSWORD
...
A sample workflow is in here.
If you try it by Gmail, This document will help you when setting.