Install and run Kong EE with PostgreSQL using Docker
1. Pull the Kong Gateway and PostgreSQL 9.6 Docker images
sudo docker pull kong/kong-gateway
sudo docker pull postgres:9.6
2. Create a Docker network
sudo docker network create kong-ee-net
3. Start a database
sudo docker run -d --name kong-ee-database \
--network=kong-ee-net \
-p 5522:5432 \
-e "POSTGRES_USER=
