docker/varnish from mmb/meme_captain_web

docker/varnish

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#!/bin/bash

set -eu

# give the application 2G and rest of the machine's memory to varnish
TOTAL_MEMORY_KB=$(awk '/MemTotal/ {print $2}' /proc/meminfo)
VARNISH_MEMORY_KB=$((TOTAL_MEMORY_KB - 2000000))
VARNISH_MEMORY=$((
  VARNISH_MEMORY_KB < 268435 ? 256 : VARNISH_MEMORY_KB / 1048
  ))
VARNISH_STORAGE=malloc,${VARNISH_MEMORY}M

/usr/local/sbin/varnishd \
  -P /run/varnishd.pid \
  -a :6081 \
  -f /app/docker/default.vcl \
  -p timeout_idle=65 \
  -s $VARNISH_STORAGE