Remove go-cron

Author: shkarface

Dockerfile

@@ -2,12 +2,6 @@
 # Download go-cron
 ARG ALPINE_VERSION=3.21
 
-FROM curlimages/curl AS go-cron-downloader
-ARG GOCRON_VERSION=0.0.5
-
-RUN curl -sL https://github.com/ivoronin/go-cron/releases/download/v${GOCRON_VERSION}/go-cron_${GOCRON_VERSION}_linux_amd64.tar.gz -O
-RUN tar xvf go-cron_${GOCRON_VERSION}_linux_amd64.tar.gz
-
 FROM alpine:${ALPINE_VERSION}
 
 RUN apk update && \
@@ -19,8 +13,6 @@ RUN apk update && \
 
 RUN rm -rf /var/cache/apk/*
 
-COPY --from=go-cron-downloader /home/curl_user/go-cron /usr/local/bin/go-cron
-
 ENV DATABASE_NAME ''
 ENV DATABASE_HOST ''
 ENV DATABASE_PORT ''

src/run.sh

@@ -11,5 +11,8 @@ fi
 if [ -z "$SCHEDULE" ]; then
   sh backup.sh
 else
-  exec go-cron "$SCHEDULE" /bin/sh backup.sh
+  # Use crond from busybox which is available in Alpine
+  echo "$SCHEDULE /bin/sh $(pwd)/backup.sh" > /etc/crontabs/root
+  # Start crond in foreground mode
+  exec crond -f -d 8
 fi