[FEAT] Allow calling a healthcheck URL after a successful backup

README.md

@@ -119,6 +119,7 @@ Environment variables
 | MONGODB_AUTHDB    | Authentication DB name                                                                                                                                                        | -       |
 | CRONMODE          | If set "true", this container is executed in cron mode.  In cron mode, the script will be executed with the specified arguments and at the time specified by CRON_EXPRESSION. | "false" |
 | CRON_EXPRESSION   | Cron expression (ex. "CRON_EXPRESSION=0 4 * * *" if you want to run at 4:00 every day)                                                                                        | -       |
+| HEALTHCHECKS_URL  | URL that gets called after a successful backup (eg. https://healthchecks.io)                                                                                                  | -       |
 
 ### For `restore`
 

bin/backup.sh

@@ -69,6 +69,11 @@ elif [ `echo $TARGET_BUCKET_URL | cut -f1 -d":"` == "gs" ]; then
   gs_copy_file ${TARBALL_FULLPATH} ${TARGET_BUCKET_URL}
 fi
 
+# call healthchecks url for successful backup
+if [ "x${HEALTHCHECKS_URL}" != "x" ]; then
+  curl -fsS --retry 3 ${HEALTHCHECKS_URL} > /dev/null
+fi
+
 # clean up working files if in cron mode
 if ${CRONMODE} ; then
   rm -rf ${TARGET}