entrypoint.sh

#!/bin/bash

cat <<EOF

codedevote/nginx-ssl-rancher-server
  based on marvambass/nginx-ssl-secure

Nginx reverse proxy with ssl termination 
for running rancher/server over https.

EOF

if [ -z ${DH_SIZE+x} ]
then
  >&2 echo ">> no \$DH_SIZE specified using default" 
  DH_SIZE="2048"
fi

DH="/etc/nginx/external/dh.pem"

if [ ! -e "$DH" ]
then
  echo ">> seems like the first start of nginx"
  echo ">> doing some preparations..."
  echo ""

  echo ">> generating $DH with size: $DH_SIZE"
  openssl dhparam -out "$DH" $DH_SIZE
fi

if [ ! -e "/etc/nginx/external/cert.pem" ] || [ ! -e "/etc/nginx/external/key.pem" ]
then
  echo ">> generating self signed cert"
  openssl req -x509 -newkey rsa:4086 \
  -subj "/C=XX/ST=XXXX/L=XXXX/O=XXXX/CN=$RANCHER_URL" \
  -keyout "/etc/nginx/external/key.pem" \
  -out "/etc/nginx/external/cert.pem" \
  -days 3650 -nodes -sha256
fi

echo ">> setting rancher url to $RANCHER_URL"
sed -i "s/\${RANCHER_URL}/$RANCHER_URL/" /etc/nginx/conf.d/rancher.conf
sed -i "s/\${RANCHER_PORT}/$RANCHER_PORT/" /etc/nginx/conf.d/rancher.conf
sed -i "s/\${RANCHER_CONTAINER_NAME}/$RANCHER_CONTAINER_NAME/" /etc/nginx/conf.d/rancher.conf

echo ">> copy /etc/nginx/external/*.conf files to /etc/nginx/conf.d/"
cp /etc/nginx/external/*.conf /etc/nginx/conf.d/ 2> /dev/null > /dev/null

# exec CMD
echo ">> exec docker CMD"
echo "$@"
exec "$@"