public-ip-watcher

Keeps track of changes to your public IP by polling Cloudflares icanhazip endpoint.

Exposes two endpoints.

$ http localhost:8080/latest

{
    "Addr": "11.22.33.01",
    "Created": "2022-01-01 01:02:03"
}

$ http localhost:8080/history

[   
    {
        "Addr": "44.55.66.01",
        "Created": "2022-02-13 04:05:06"
    },
    {
        "Addr": "11.22.33.01",
        "Created": "2022-01-01 01:02:03"
    }
]

Building

Build a local binary with;

make

And a container image with (update the container tag as needed in the Makefile);

make image

Running

Local binary;

./ipwatcher

In docker;

docker run --rm --name ipwatcher -p 8080:8080 -v db:/db johnmccabe/ipwatcher:dev