Postgres, Mongo, DynamoDB, and Redis Docker compose. Just start 'em all and see what happens.

docker-compose.yaml

# inspiration 
# https://dev.to/pfreitag/running-postgresql-in-docker-for-local-dev-2ojk
# https://medium.com/faun/managing-mongodb-on-docker-with-docker-compose-26bf8a0bbae3
# https://rharshad.com/dynamodb-local-docker/
# https://docs.fauna.com/fauna/current/integrations/dev.html#requirements


# instructions
# 1. start 'em up
# docker-compose up -d
# 2. stop them
# docker-compose stop
# 3. delete 'em. Will also delete data on the container
# docker-compose down

version: '3.7'
services: 
  mysql:
    # still need to `brew install mysql` for the `mysql2` gem etc.
    container_name: "mysql"
    image: mysql:latest
    ports:
      - "3306:3306"
    environment:
      # - "MYSQL_ROOT_PASSWORD=${DB_PASS}" # using an environment variable
      - MYSQL_ALLOW_EMPTY_PASSWORD=yes
      - "MYSQL_ROOT_PASSWORD="
      - "MYSQL_DATABASE=app_development"
    volumes:
      # - ./mysql:/docker-entrypoint-initdb.d/ # file
      - local-data:/mysql/docker-entrypoint-initdb.d/ # container
      
  pg: 
    # still need to `brew install postgresql` for the `pg` gem etc.
    container_name: 'pg'
    image: postgres:latest
    ports: 
      - "5432:5432" 
    environment: 
      # - "POSTGRES_PASSWORD=${DB_PASS}" # using an environment variable
      - "POSTGRES_PASSWORD=test1234"
    volumes: 
      # - ./pg:/docker-entrypoint-initdb.d/ # file
      - local-data:/pg/docker-entrypoint-initdb.d/ # container

  mongo:
    container_name: 'mongo'
    image: mongo:latest
    environment:
      MONGO_INITDB_ROOT_USERNAME: root
      MONGO_INITDB_ROOT_PASSWORD: rootpassword
    ports:
      - 27017:27017
    volumes:
      # - ./mongo:/data/db # file
      - local-data:/mongo/data/db # container

  dynamo:
    container_name: 'ddb'
    image: amazon/dynamodb-local:latest
    ports:
      - "8000:8000" 
      # localhost:8000/shell
    command: ["-jar", "DynamoDBLocal.jar", "-sharedDb", "-inMemory"]
  
  redis:
    container_name: 'redis'
    image: redis
    ports:
      - '6379:6379'

volumes:
    local-data: