Run postgres12 and pgadmin4 with docker compose

postgres_pgadmin.compose.yaml

version: "3"

services:

  postgres:
    image: postgres:12-alpine
    restart: always
    ports:
      - "5432:5432"
    environment:
      - POSTGRES_USER=${POSTGRES_USER:-root}
      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD:-root}
      - POSTGRES_DB=${POSTGRES_DB:-mydb}
    volumes:
      - postgres_data:/var/lib/postgresql/data
    healthcheck:
      test: [ 'CMD-SHELL', 'pg_isready -h localhost -U ${POSTGRES_USER} -d ${POSTGRES_DB}' ]
      interval: 5s
      timeout: 5s
      retries: 10

  pgadmin:
    image: dpage/pgadmin4:latest
    restart: always
    ports:
      - "5050:80"
    environment:
      - PGADMIN_DEFAULT_EMAIL=${PGADMIN_DEFAULT_EMAIL:-pgadmin@pgadmin.com}
      - PGADMIN_DEFAULT_PASSWORD=${PGADMIN_DEFAULT_PASSWORD:-admin}
    links:
      - postgres
    depends_on:
      postgres:
        condition: service_healthy
    volumes:
      - pgadmin_data:/var/lib/pgadmin
    logging:
      driver: "none"

volumes:
  postgres_data:
    driver: local
  pgadmin_data:
    driver: local