ohmyform/compose.smtp.yml

---
version: "3.8"

services:
  app:
    secrets:
      - smtp_password
    environment:
      - MAILER_FROM
      - MAILER_HOST
      - SMTP_ENABLED
      - SMTP_PASSWORD_FILE=/run/secrets/smtp_password

secrets:
  smtp_password:
    external: true
    name: ${STACK_NAME}_smtp_password_${SECRET_SMTP_PASSWORD_VERSION}