My Kong Setup

docker-compose.yml

version: '3.7'

networks:
  kong-net:
    external: false

services:
  kong-migrations:
    image: kong
    command: "kong migrations bootstrap && kong migrations up && kong migrations finish"
    depends_on:
      - db
    environment:
      KONG_DATABASE: postgres
      KONG_PG_DATABASE: kong
      KONG_PG_HOST: db
      KONG_PG_USER: kong
      KONG_PG_PASSWORD_FILE: /run/secrets/kong_postgres_password
    secrets:
      - kong_postgres_password
    networks:
      - kong-net
    restart: on-failure

  kong:
    image: kong
    #build: ./conf
    user: kong
    depends_on:
      - db
    environment:
      KONG_ADMIN_ACCESS_LOG: /dev/stdout
      KONG_ADMIN_ERROR_LOG: /dev/stderr
      KONG_ADMIN_LISTEN: '0.0.0.0:8001'
      KONG_CASSANDRA_CONTACT_POINTS: db
      KONG_DATABASE: postgres
      KONG_PG_DATABASE: kong
      KONG_PG_HOST: db
      KONG_PG_USER: kong
      KONG_PROXY_ACCESS_LOG: /dev/stdout
      KONG_PROXY_ERROR_LOG: /dev/stderr
      KONG_PG_PASSWORD_FILE: /run/secrets/kong_postgres_password
    secrets:
      - kong_postgres_password
    networks:
      - kong-net
    ports:
      - "80:8000/tcp"
      - "443:8443/tcp"
      - "127.0.0.1:8001:8001/tcp"
      - "127.0.0.1:8444:8444/tcp"
    healthcheck:
      test: ["CMD", "kong", "health"]
      interval: 10s
      timeout: 10s
      retries: 10
    restart: on-failure
    
  db:
    image: postgres:9.6
    environment:
      POSTGRES_DB: kong
      POSTGRES_USER: kong
      POSTGRES_PASSWORD_FILE: /run/secrets/kong_postgres_password
    secrets:
      - kong_postgres_password
    healthcheck:
      test: ["CMD", "pg_isready", "-U", "kong"]
      interval: 30s
      timeout: 30s
      retries: 3
    restart: on-failure
    stdin_open: true
    tty: true
    networks:
      - kong-net
    volumes:
      - ./data:/var/lib/postgresql/data
  
  api:
    image: docker_api_web
    restart: always
    container_name: api
    networks:
      - kong-net
    volumes:
      - ./api:/var/www/html

secrets:
  kong_postgres_password:
    file: ./POSTGRES_PASSWORD