diff --git a/varnish/README.md b/varnish/README.md
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+# Varnish
+
+## Tasks
+
+## Variables
diff --git a/varnish/defaults/main.yml b/varnish/defaults/main.yml
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+++ b/varnish/defaults/main.yml
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+---
+thread_pools: "{{ ansible_processor_cores * ansible_processor_count }}"
diff --git a/varnish/handlers/main.yml b/varnish/handlers/main.yml
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+---
+- name: reload systemctl
+  command: systemctl daemon-reload
diff --git a/varnish/tasks/main.yml b/varnish/tasks/main.yml
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+++ b/varnish/tasks/main.yml
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+---
+- name: Install Varnish
+  apt: name=varnish state=present
+
+- name: Remove default varnish configuration files
+  file:
+    path: "{{ item }}"
+    state: absent
+  with_fileglob: "/etc/defaults/varnish*"
+
+- name: Copy Varnish service configuration file
+  copy:
+    src: "/lib/systemd/system/varnish.service"
+    dest: "/etc/systemd/system/"
+
+- name: Modify Varnish configuration file
+  lineinfile:
+    dest: "/etc/systemd/system/varnish.service"
+    regexp: "^ExecStart="
+    line: |
+      ExecStart=/usr/sbin/varnishd -a 0.0.0.0:80 -T localhost:6082 -f /etc/varnish/default.vcl \
+      -S /etc/varnish/secret -s malloc,2G \
+      -p thread_pools={{ thread_pools }} -p thread_pool_add_delay=2 -p thread_pool_min=500 -p thread_pool_max=5000
+  notify: reload systemctl