Added Dockerfile and docker-compose.yml

Dockerfile

@@ -0,0 +1,37 @@
+FROM alpine:latest
+MAINTAINER Christian Baer <chris@debilux.org>
+
+ENV TZ "UTC"
+
+## Run cron every minute
+ENV SCHEDULE "* * * * *"
+
+ENV GIT_REPO "https://github.com/chrisb86/nsupdate"
+ENV NSUPDATE_CONFD_DIR="/config"
+ENV NSUPDATE_LOG_DIR="/log"
+
+## Install requirements
+RUN apk update
+RUN apk add --update-cache \
+        git \
+        curl \
+        libxml2-utils
+
+# Read timezone from server, so in docker-compose you can change TZ
+RUN apk add --no-cache tzdata
+
+RUN ln -sf "/usr/share/zoneinfo/$TZ" /etc/localtime && \
+    echo "$TZ" > /etc/timezone && date
+
+## Clone git repo
+RUN mkdir app
+RUN git clone $GIT_REPO /app
+
+## Setup cron job
+RUN echo "${SCHEDULE} sh /app/nsupdate.sh" >> /etc/crontabs/root
+
+## Start crond
+CMD [ "crond", "-l", "2", "-f" ]
+
+VOLUME /config
+VOLUME /log

README.md

@@ -58,6 +58,10 @@ To run the script every 5 minutes and suppress the output you can write somethin
 
 ## Changelog
 
+**2022-12-14**
+- Added Dockerfile
+- Added docker-compose.yml
+
 **2022-10-18**
 
 - Completly rewritten. nsupdate is now a POSIX compliant /bin/sh script 👍🏻

docker-compose.yml

@@ -0,0 +1,12 @@
+version: "3.3"
+services:
+  sonarr:
+    image: nsupdate:latest
+    container_name: nsupdate
+    environment:
+      - NSUPDATE_INWX_USER=YOUR_INWX_USERNAME
+      - NSUPDATE_INWX_PASSWORD=YOUR_INWX_PASSWORD
+    volumes:
+      - ./data:/config
+      - ./log:/log
+    restart: unless-stopped