my docker compose example

docker.compose.yml

version: '3.7'

services:
  postgres:
    image: postgres:latest
    restart: always
    environment:
      - POSTGRES_USER=campusUsername
      - POSTGRES_PASSWORD=campusPassword
      - POSTGRES_DB=campus_db
      - [email protected]
      - PGADMIN_DEFAULT_PASSWORD=admin
    ports:
      - 5433:5432
    volumes:
      - ./data/postgres:/data/postgres
    container_name: db_postgres
  redis:
    image: docker.io/bitnami/redis:6.2
    environment:
      - ALLOW_EMPTY_PASSWORD=yes
      - REDIS_DISABLE_COMMANDS=FLUSHDB,FLUSHALL
    ports:
      - 6379:6379
    volumes:
      - ./data/redis:/data/redis
    container_name: cache_redis
  elasticsearch:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.11.1
    restart: always
    environment:
      - discovery.type=single-node
      - bootstrap.memory_lock=true
      - xpack.security.enabled=false
      - cluster.routing.allocation.disk.threshold_enabled=true
      - cluster.routing.allocation.disk.watermark.low=2gb
      - cluster.routing.allocation.disk.watermark.high=1gb
      - cluster.routing.allocation.disk.watermark.flood_stage=512mb
      - ES_JAVA_OPTS=-Xms500m -Xmx500m
    ports:
      - 9200:9200
    volumes:
      - ./data/elasticsearch:/usr/share/elasticsearch/data
    container_name: campussocial_elasticsearch
  kibana:
    image: docker.elastic.co/kibana/kibana:7.11.1
    restart: always
    environment:
      - SERVER_NAME=localhost
      - ELASTICSEARCH_HOSTS=http://elasticsearch:9200
      - xpack.security.enabled=false
    depends_on:
      - elasticsearch
    ports:
      - 5601:5601
    container_name: campussocial_kibana
    
volumes:
  data:
    driver: local
networks:
  local:
    driver: bridge