boot.sh

#!/bin/sh

if [ -z "${ENGINE_URL+x}" ]; then
  echo "ENGINE_URL is unset, using default /api"
  export ENGINE_URL=/api
fi

if [ -z "${BASE_URL+x}" ]; then
  echo "BASE_URL is unset, using default /"
  export BASE_URL=/
fi

if [ -z "${ENGINE_HTTP_PORT+x}" ]; then
  echo "ENGINE_HTTP_PORT is unset, using default 80"
  export ENGINE_HTTP_PORT=80
fi

if [ "$DISABLE_REQUEST_LIMIT" = "true" ]; then
  echo "DISABLE_REQUEST_LIMIT is set to true, disabling request limiting"
  sed -i '/^limit_req/d' /etc/nginx/conf.d/default.conf
fi

if [ -n "${mount_url+x}" ] && [ "$mount_url" != "" ] &&
  [ "$mount_url" != "/" ] && [ "$mount_url" != "/engine" ]; then
  ln -s /usr/share/nginx/engine "/usr/share/nginx${mount_url}"
fi

BASE_URL_STRIPPED=$(echo "${BASE_URL}" | sed -e 's@/$@@g')

find /usr/share/nginx/engine -type f -name 'index*.js*' -print0 |
  xargs -0 sed -i "s@AAAABBBBCCCC@${ENGINE_URL}@g"

find /usr/share/nginx/engine -type f -name 'index*.js*' -print0 |
  xargs -0 sed -i "s@DDDDEEEEFFFF@${BASE_URL}@g"

find /usr/share/nginx/engine -type f -exec grep -q "GGGGHHHHIIIIJJJJ" {} \; -print0 |
  xargs -0 -r sed -i "s@/GGGGHHHHIIIIJJJJ@${BASE_URL_STRIPPED}@g"

sed -i -E "s/listen [0-9]+;/listen ${ENGINE_HTTP_PORT};/" /etc/nginx/conf.d/default.conf