Set memory limit to 400M for tasks

src/scripts/starttask.sh

@@ -29,6 +29,13 @@ systemctl reset-failed "${service_name}" || true
 
 readonly id=$(id -u $SUDO_USER)
 
+readonly ubuntu_version=$(lsb_release -rs)
+if [[ "${ubuntu_version}" == "16.04" ]]; then
+    memory_limit="-p MemoryLimit=400M"
+else
+    memory_limit="-p MemoryMax=400M"
+fi
+
 # Note: BindsTo will kill this task when the box is stopped. but will not kill this task when restarted!
 # For this reason, we have code to kill the tasks both on shutdown and startup
 if [[ "$BOX_ENV" == "cloudron" ]]; then
@@ -37,7 +44,7 @@ else
     binds_to=""
 fi
 
-systemd-run --unit "${service_name}" --pipe --wait --property=OOMScoreAdjust=-1000 --nice "${nice}" --uid=${id} --gid=${id} \
-    ${binds_to} -E HOME=${HOME} -E USER=${SUDO_USER} -E DEBUG=${DEBUG} -E BOX_ENV=${BOX_ENV} -E NODE_ENV=production \
+systemd-run --unit "${service_name}" --pipe --wait --nice "${nice}" --uid=${id} --gid=${id} ${binds_to} ${memory_limit} \
+    -E HOME=${HOME} -E USER=${SUDO_USER} -E DEBUG=${DEBUG} -E BOX_ENV=${BOX_ENV} -E NODE_ENV=production \
     "${task_worker}" "${task_id}" "${logfile}"