fixed backup script to use full path to docker-compose for use in cron jobs

scripts/backup.sh

@@ -2,15 +2,17 @@
 
 [ $# -lt 2 ] && { echo "Usage: $0 {backup|restore} BACKUP_FILENAME"; exit 1; }
 
+DOCKER_COMPOSE=/usr/bin/docker-compose
+
 backup_file=$2
 
 project_subscriber_volume_name=client_data
 project_tor_volume_name=tor_config
 tor_service=tor
 
-docker-compose --log-level WARNING up --no-start
+$DOCKER_COMPOSE --log-level WARNING up --no-start
 
-project_name=$(docker ps -a --no-trunc | grep $(docker-compose ps -q ${tor_service}) | awk '{ print $2; }' | awk -F "_" '{ print $1; }')
+project_name=$(docker ps -a --no-trunc | grep $($DOCKER_COMPOSE ps -q ${tor_service}) | awk '{ print $2; }' | awk -F "_" '{ print $1; }')
 
 project_volumes=$(docker volume ls -f name=$project_name | awk '{if (NR > 1) print $2"\n";}')
 
@@ -34,7 +36,7 @@ function backup {
 
 function restore {
 
-  docker-compose stop $tor_service
+  $DOCKER_COMPOSE stop $tor_service
 
   docker run --rm \
     -v $subscriber_volume:/data/subscriber \
@@ -43,7 +45,7 @@ function restore {
     ubuntu \
     tar -C / -xzvf /backup/backup.tar.gz
 
-  docker-compose start $tor_service
+  $DOCKER_COMPOSE start $tor_service
 }
 
-$1
+$1