📡 docker-direwolf

A multi-platform image for running Direwolf for APRS projects

Installing

Docker

docker pull w2bro/direwolf

Kubernetes

helm repo add w2bro https://radio-charts.w2bro.dev
helm install w2bro/direwolf

Environment Variables

Variable	Required	Description
CALLSIGN	Yes	Your callsign & SSID, example N0CALL-10
PASSCODE	Yes	Passcode for igate login, find passcode here
LATITUDE	Yes	Latitude for PBEACON, example 42^37.14N
LONGITUDE	Yes	Longitude for PBEACON, example 071^20.83W
COMMENT	No	Override PBEACON default comment, do not use the ~ character
SYMBOL	No	APRS symbol for PBEACON, defaults to igate
IGSERVER	No	Override with the APRS server for your region, default for North America noam.aprs2.net
ADEVICE	No	Override Direwolf's ADEVICE for digipeater, default is stdin null for receive-only igate
FREQUENCY	No	Override rtl_fm input frequency, default 144.39M North America APRS
DW_STANDALONE	No	Set to any value to disable rtl_fm, useful in digipeater applications. Must also set ADEVICE
DWARGS	No	Set to add/pass any arguments to the direwolf executable, example -t 0 for no color logs

Example Usage

Kubernetes

Example deployment to run on a k3s Raspberry Pi node with a RTL-SDR Blog v3 dongle plugged into one of the USB ports

apiVersion: apps/v1
kind: Deployment
metadata:
  name: aprs-igate
  namespace: ham-radio
spec:
  replicas: 1
  selector:
    matchLabels:
      app: aprs-igate
  template:
    metadata:
      labels:
        app: aprs-igate
    spec:
      nodeName: homelab-pi4b-node-attic-2
      containers:
      - name: direwolf
        image: w2bro/direwolf
        imagePullPolicy: Always
        securityContext:
          privileged: true
        env:
        - name: CALLSIGN
          value: N0CALL-10
        - name: PASSCODE
          value: "12345"
        - name: FREQUENCY
          value: 144.39M
        - name: LATITUDE
          value: 42^37.14N
        - name: LONGITUDE
          value: 071^20.83W
        volumeMounts:
        - mountPath: /dev/bus/usb/001/004
          name: rtl
      volumes:
      - name: rtl
        hostPath:
          path: /dev/bus/usb/001/004