Starting docker compose for our system

docker-compose.yml

version: '3.3'
services:
  security-db:
    image: postgres
    environment:
      POSTGRES_DB: security
      POSTGRES_USER: security
      POSTGRES_PASSWORD: password

  reporting-db:
    image: postgres
    environment:
      POSTGRES_DB: reporting
      POSTGRES_USER: reporting
      POSTGRES_PASSWORD: password

  keycloak-db:
    image: postgres
    environment:
      POSTGRES_DB: keycloak
      POSTGRES_USER: keycloak
      POSTGRES_PASSWORD: password
      
  keycloak:
    image: jboss/keycloak
    environment:
      DB_VENDOR: postgres
      DB_ADDR: keycloak-db
      DB_DATABASE: keycloak
      DB_USER: keycloak
      DB_PASSWORD: password
    depends_on:
      - keycloak-db

  mailhog:
    image: mailhog/mailhog
    hostname: mailhog
      
  security:
    image: tsh-security-service:latest
    container_name: security
    command: [bash, -c, 'ts-node-dev --poll ./src/index.ts']
    hostname: security
    depends_on:
      - keycloak
      - security-db
      
  mailer:
    image: tsh-mailer-service:latest
    container_name: mailer
    command: [bash, -c, 'ts-node-dev --poll ./src/index.ts']
    hostname: mailer
    depends_on:
      - mailhog   

  reporting:
    image: tsh-reporting-service:latest
    container_name: reporting
    command: [bash, -c, 'ts-node-dev --poll ./src/index.ts']
    hostname: reporting
    depends_on:
      - reporting-db
      - mailer
      
  gateway:
    image: tsh-gateway-service:latest
    container_name: gateway
    command: [bash, -c, 'ts-node-dev --poll ./src/index.ts']
    hostname: gateway
    depends_on:
      - security
      - reporting