nginx-proxy-manager/rootfs/etc/services.d/nginx/run

#!/usr/bin/with-contenv bash

# Create required folders
mkdir -p /tmp/nginx/body \
  /var/log/nginx \
  /data/nginx \
  /data/custom_ssl \
  /data/logs \
  /data/access \
  /data/nginx/default_host \
  /data/nginx/default_www \
  /data/nginx/proxy_host \
  /data/nginx/redirection_host \
  /data/nginx/stream \
  /data/nginx/dead_host \
  /data/nginx/temp \
  /var/lib/nginx/cache/public \
  /var/lib/nginx/cache/private \
  /var/cache/nginx/proxy_temp

touch /var/log/nginx/error.log && chmod 777 /var/log/nginx/error.log && chmod -R 777 /var/cache/nginx
chown root /tmp/nginx

# Dynamically generate resolvers file, if resolver is IPv6, enclose in `[]`
echo resolver $(awk 'BEGIN{ORS=" "} $1=="nameserver" {print ($2 ~ ":")? "["$2"]": $2}' /etc/resolv.conf) ";" > /etc/nginx/conf.d/include/resolvers.conf

# Generate dummy self-signed certificate.
if [ ! -f /data/nginx/dummycert.pem ] || [ ! -f /data/nginx/dummykey.pem ]
then
  echo "Generating dummy SSL certificate..."
  openssl req \
    -new \
    -newkey rsa:2048 \
    -days 3650 \
    -nodes \
    -x509 \
    -subj '/O=Nginx Proxy Manager/OU=Dummy Certificate/CN=localhost' \
    -keyout /data/nginx/dummykey.pem \
    -out /data/nginx/dummycert.pem
  echo "Complete"
fi

# Run
exec nginx