docker-compose.yml

version: '3.8'

services:
  db:
    image: postgres:latest
    container_name: my-postgres
    restart: always
    environment:
      POSTGRES_USER: ${POSTGRES_USER}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
      POSTGRES_DB: ${POSTGRES_DB}
    ports:
      - '5432:5432'
    volumes:
      - pgdata:/var/lib/postgresql/data
      - ./init.sql:/docker-entrypoint-initdb.d/init.sql

  pgadmin:
    image: dpage/pgadmin4:latest
    container_name: my-pgadmin
    restart: always
    environment:
      PGADMIN_DEFAULT_EMAIL: ${PGADMIN_DEFAULT_EMAIL}
      PGADMIN_DEFAULT_PASSWORD: ${PGADMIN_DEFAULT_PASSWORD}
    ports:
      - '5050:80'
    depends_on:
      - db
    volumes:
      - pgadmin-data:/var/lib/pgadmin

  cache:
    image: redis:6.2-alpine
    restart: always
    ports:
      - '6379:6379'
    command: redis-server --loglevel warning
    volumes:
      - cache:/data

# Volumes store your database data and pgAdmin data.
volumes:
  pgdata:
  pgadmin-data:
  cache: