Usando o KONG com KONGA, um dos melhores e gratuitos API Gateways

# Iniciando um container com PostgreSQLdocker run -d     --name kong-database \    --hostname kong-database \    -p 5432:5432 \    -e "POSTGRES_USER=kong" \    -e "POSTGRES_DB=kong" \    -e "POSTGRES_PORT=1234" \    -e "POSTGRES_PASSWORD=kong" \    postgres:9.6

# Iniciando um container com o Kongdocker run -d --name kong \    -e "KONG_DATABASE=postgres"    -e "KONG_PG_HOST=kong-database" \    -e "KONG_LOG_LEVEL=info" \    -e "KONG_CUSTOM_PLUGINS=helloworld" \    -e "KONG_PG_HOST=1.1.1.1" \    -e "KONG_PG_PORT=1234" \    -e "KONG_PG_USER=postgres" \    -e "KONG_PG_PASSWORD=postgres" \    -e "KONG_PG_SCHEMA=kong" \    -e "KONG_ADMIN_LISTEN=0.0.0.0:8001, 0.0.0.0:8444 ssl" \    -p 8000:8000 \    -p 8443:8443 \    -p 8001:8001 \    -p 8444:8444 \    kong

# Iniciando um container com o Konga$ docker run -p 1337:1337              --network {{kong-network}} \ // optional             -e "TOKEN_SECRET={{somerandomstring}}" \             -e "DB_ADAPTER=the-name-of-the-adapter" \ // 'mongo','postgres','sqlserver'  or 'mysql'             -e "DB_HOST=your-db-hostname" \             -e "DB_PORT=your-db-port" \ // Defaults to the default db port             -e "DB_USER=your-db-user" \ // Omit if not relevant             -e "DB_PASSWORD=your-db-password" \ // Omit if not relevant             -e "DB_DATABASE=your-db-name" \ // Defaults to 'konga_database'             -e "DB_PG_SCHEMA=my-schema"\ // Optionally define a schema when integrating with prostgres             -e "NODE_ENV=production" \ // or 'development' | defaults to 'development'             --name konga \             pantsel/konga

Referencias

Tutorial ótimo para instalar Kong + PostgreSQL + Konga (melhor que a documentação oficial)
https://dev.to/vousmeevoyez/setup-kong-konga-part-2-dan

Docker Hub do Kong
https://hub.docker.com/_/kong/

Docker Hub do PostgreSQL
https://hub.docker.com/_/postgres

Documentação de instalação do Konga
https://github.com/pantsel/konga#installation

Arquivo de configuração do Kong
https://github.com/Kong/kong/blob/master/kong.conf.default

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