alertmanager-notifier is an adapter from Alertmanager webhook requests to Gotify or NTFY. It transforms your alert manager alerts into notifications.

Environment variables

Name	Default value	Description
LISTEN_ADDRESS	127.0.0.1	Address where the service will listen on
LISTEN_PORT	8080	Port where the service will listen on
NOTIFIER_TYPE	gotify	Which notifier to use. Valid values are: gotify or ntfy
GOTIFY_URL	http://localhost:8080	Base Gotify URL
GOTIFY_TOKEN		(Required) Token to use on the requests to Gotify
GOTIFY_TIMEOUT_MILLIS	5000	Time limit for requests made to Gotify
GOTIFY_DEFAULT_PRIORITY	5	Priority to use for Gotify messages when no priority is set on the alert
NTFY_URL	http://localhost:8080	Base NTFY URL
NTFY_TOPIC	alertmanager	Topic to which notifications will be sent
NTFY_USER		User to use if authentication is set on NTFY server
NTFY_PASSWORD		Password to use if authentication is set on NTFY server
NTFY_TIMEOUT_MILLIS	5000	Time limit for requests made to NTFY
NTFY_DEFAULT_PRIORITY	3	Priority to use for NTFY notifications when no priority is set on the alert

Installation

Docker

You can use the images form Docker Hub or Github Container Registry

• davidcasado/alertmanager-notifier
• ghcr.io/dcasado/alertmanager-notifier

To use with Docker you only need to execute the following command replacing the environment variables with your own:

docker container run --name alertamanger2gotify -e GOTIFY_URL="http://gotify:8080" -e GOTIFY_TOKEN="token" ghcr.io/dcasado/alertmanager-notifier

You can also use it the following docker-compose file:

services:
  alertmanager-notifier:
    image: ghcr.io/dcasado/alertmanager-notifier:latest
    environment:
      - GOTIFY_URL=http://gotify:8080
      - GOTIFY_TOKEN=token
    restart: unless-stopped
    ports:
      - "8080:8080"

Build from source

To build from source you must have Go installed on your local machine:

go build -o alertmanager-notifier

Usage

To use the standalone binary previously built you can execute the following command replacing the environment variables with your own

GOTIFY_URL="http://127.0.0.1:8080" GOTIFY_TOKEN="token" ./alertmanager-notifier