Added swapfile to vps

roles/common/tasks/main.yml

@@ -69,3 +69,21 @@
 
 - name: Add update line to update script
   shell: echo apt-get update && apt-get upgrade -y && apt-get clean && apt-get autoclean && apt-get autoremove -y && apt-get update >> /etc/cron.daily/update.sh
+
+- name: Allocate swap file
+  shell: fallocate -l 4G /swapfile
+
+- name: Secure swapfile
+  shell: chmod 600 /swapfile
+
+- name: Make swap file
+  shell: mkswap /swapfile
+
+- name: Enable swap file
+  shell: swapon /swapfile
+
+- name: Fix swappiness
+  shell: echo "sysctl vm.swappiness=10" >> /etc/sysctl.conf
+
+- name: Fix cache pressure
+  shell: echo "sysctl vm.vfs_cache_pressure=50" >> /etc/sysctl.conf