version: '3.7' services: application: image: mirego/accent container_name: accent build: . ports: - 4000:4000 depends_on: - postgresql environment: - PORT=4000 - DATABASE_URL=postgres://postgres@postgresql:5432/accent_development postgresql: image: postgres:10.3 container_name: accent-postgres environment: - POSTGRES_DB=accent_development ports: - 5432:5432 volumes: - accent_psql:/var/lib/postgresql/data volumes: accent_psql: