version: "3.8"
services:
  app:
    secrets:
      - smtp_password
    environment:
      - SMTP_HOST
      - SMTP_PORT
      - SMTP_USERNAME
      - SMTP_FROM_EMAIL
      - SMTP_REPLY_EMAIL
      - SMTP_TLS_CIPHERS
      - SMTP_SECURE

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