docker-compose.yml

# spin up SQL proxy clients
version: "3.9"

# set up network for the proxy containers and gateway
networks:
  sql-gateway:
    name: &network-name
      sql-gateway

# common configuration parameters
x-proxy-common: &proxy-container
  image: eu.gcr.io/cloudsql-docker/gce-proxy:1.33.6
  volumes:
    - ./config:/config
  networks:
    - *network-name

# services
services:
  gateway:
    image: gateway
    command: tail -F anything # simple way to wait in idle mode
    container_name: gateway
    build:
      context: .
      dockerfile: gateway/Dockerfile
    depends_on:
      - "proxy-a"
    env_file:
      - .env
    networks:
      - *network-name

  proxy-a:
    <<: *proxy-container
    container_name: cloud-sql-proxy-a
    command: /cloud_sql_proxy -instances=<project>:<region>:<instance-name>=tcp:0.0.0.0:5432 -credential_file=/config/credentials.json
    ports:
      - 127.0.0.1:5411:5432