Fix mailx setup for latest restic image that is based on latest alpine

- mailx is known as mail in alpine

Author: niondir

Dockerfile

@@ -6,7 +6,7 @@ RUN unzip rclone-current-linux-amd64.zip && mv rclone-*-linux-amd64/rclone /bin/
 
 FROM restic/restic:0.16.0
 
-RUN apk add --update --no-cache heirloom-mailx fuse curl
+RUN apk add --update --no-cache curl mailx
 
 COPY --from=rclone /bin/rclone /bin/rclone
 
@@ -54,8 +54,5 @@ COPY backup.sh /bin/backup
 COPY check.sh /bin/check
 COPY entry.sh /entry.sh
 
-
-WORKDIR "/"
-
 ENTRYPOINT ["/entry.sh"]
 CMD ["tail","-fn0","/var/log/cron.log"]

backup.sh

@@ -72,7 +72,7 @@ if [ -n "${TEAMS_WEBHOOK_URL}" ]; then
 fi
 
 if [ -n "${MAILX_ARGS}" ]; then
-    sh -c "mailx -v -S sendwait ${MAILX_ARGS} < ${lastLogfile} > ${lastMailLogfile} 2>&1"
+    sh -c "mail -v -S sendwait ${MAILX_ARGS} < ${lastLogfile} > ${lastMailLogfile} 2>&1"
     if [ $? == 0 ]; then
         echo "Mail notification successfully sent."
     else

check.sh

@@ -60,7 +60,7 @@ if [ -n "${TEAMS_WEBHOOK_URL}" ]; then
 fi
 
 if [ -n "${MAILX_ARGS}" ]; then
-    sh -c "mailx -v -S sendwait ${MAILX_ARGS} < ${lastLogfile} > ${lastMailLogfile} 2>&1"
+    sh -c "mail -v -S sendwait ${MAILX_ARGS} < ${lastLogfile} > ${lastMailLogfile} 2>&1"
     if [ $? == 0 ]; then
         echo "Mail notification successfully sent."
     else