docker-compose.yml

# Use postgres/example user/password credentials
version: '3.9'

services:

  db:
    image: postgres:14.15-alpine3.20
    container_name: postgres_database
    restart: always
    # set shared memory limit when using docker-compose
    shm_size: 128mb
    # or set shared memory limit when deploy via swarm stack
    volumes:
      - ./db/postgres:/var/lib/postgresql/data
    environment:
      POSTGRES_DB: ${DB_NAME}
      POSTGRES_USER: ${DB_USERNAME}
      POSTGRES_PASSWORD: ${DB_PASSWORD}
    ports:
      - 5432:5432

  pgadmin4:
    image: dpage/pgadmin4
    container_name: pgAdmin
    restart: always
    #volumes:
    # - ./db/pgadmin:/var/lib/pgadmin
    environment:
      PGADMIN_DEFAULT_EMAIL: ${PGADMIN_DEFAULT_EMAIL}
      PGADMIN_DEFAULT_PASSWORD: ${PGADMIN_DEFAULT_PASSWORD}
      PGADMIN_LISTEN_PORT: ${PGADMIN_LISTEN_PORT}
    ports:
      - 8080:80
    depends_on:
      - db