# Use postgres/example user/password credentials version: '3.9' services: db: container_name: my-postgres 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: 1234567890 POSTGRES_DB: jerguero ports: - 5432:5432