# Use postgres/example user/password credentials version: '3.9' services: db: image: postgres restart: always # set shared memory limit when using docker-compose shm_size: 128mb # or set shared memory limit when deploy via swarm stack #volumes: # - type: tmpfs # target: /dev/shm # tmpfs: # size: 134217728 # 128*2^20 bytes = 128Mb environment: POSTGRES_PASSWORD: example POSTGRES_DB: database POSTGRES_USER: postgres ports: - "127.0.0.1:5432:5432" adminer: image: adminer restart: always ports: - 8000:8080