overleaf/server-ce/init_scripts/200_nginx_config_template.sh
Jakob Ackermann 12befda220 Merge pull request #16919 from overleaf/jpa-check-env-vars
[server-ce] add script for checking on old ShareLaTeX env vars

GitOrigin-RevId: a60d6f7648d65c336054795affe91a349aa629cf
2024-02-12 09:03:33 +00:00

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#!/bin/sh
set -e
## Generate nginx config files from templates,
## with environment variables substituted
nginx_dir='/etc/nginx'
nginx_templates_dir="${nginx_dir}/templates"
if ! [ -d "${nginx_templates_dir}" ]; then
echo "Nginx: no template directory found, skipping"
exit 0
fi
nginx_template_file="${nginx_templates_dir}/nginx.conf.template"
nginx_config_file="${nginx_dir}/nginx.conf"
if [ -f "${nginx_template_file}" ]; then
export NGINX_KEEPALIVE_TIMEOUT="${NGINX_KEEPALIVE_TIMEOUT:-65}"
export NGINX_WORKER_CONNECTIONS="${NGINX_WORKER_CONNECTIONS:-768}"
export NGINX_WORKER_PROCESSES="${NGINX_WORKER_PROCESSES:-4}"
echo "Nginx: generating config file from template"
# Note the single-quotes, they are important.
# This is a pass-list of env-vars that envsubst
# should operate on.
envsubst '
${NGINX_KEEPALIVE_TIMEOUT}
${NGINX_WORKER_CONNECTIONS}
${NGINX_WORKER_PROCESSES}
' \
< "${nginx_template_file}" \
> "${nginx_config_file}"
echo "Nginx: reloading config"
service nginx reload
fi