andrewgjohns/dynodns repository overview

andrewgjohns/dynodns is a lightweight, multi-architecture Docker image that automatically updates your DNS A records with your server’s current public IP address. It currently supports AWS Route53 and is designed with a pluggable provider system for future support (Cloudflare, DigitalOcean, etc.).

Source code and CI/CD setup available on GitLab⁠.

⁠Features

• Detects your public IPv4 address automatically
• Updates DNS A records if the IP has changed
• Supports multi-architecture builds (amd64 and arm64)
• Designed for Docker deployments and cron scheduling
• Easy configuration via environment variables

⁠Configuration

All settings are provided via environment variables (use a .env file for convenience):

PROVIDER=route53
ZONE_ID=your_zone_id
RECORD_NAME=your.domain.com
AWS_ACCESS_KEY_ID=xxxx
AWS_SECRET_ACCESS_KEY=xxxx
AWS_REGION=eu-west-1

⁠Usage

docker run --env-file .env andrewgjohns/dynodns:latest