version: "3"

services:
  gomplate:
    image: hairyhenderson/gomplate
    container_name: gomplate
    command: "--input-dir /templates --output-dir /config"
    volumes:
      - ./templates:/templates
      - ./config:/config
    environment:
      - TARGETS=${TARGETS:?err}
      - ALERT_EMAIL_TO=${ALERT_EMAIL_TO:?err}
      - ALERT_EMAIL_FROM=${ALERT_EMAIL_FROM:?err}
      - ALERT_SMTP_HOST=${ALERT_SMTP_HOST:?err}
      - ALERT_SMTP_USER=${ALERT_SMTP_USER:?err}
      - ALERT_SMTP_PASSWORD=${ALERT_SMTP_PASSWORD:?err}
      - ALERT_SLACK_WEBHOOK=${ALERT_SLACK_WEBHOOK:?err}