[Unit] Description=Dew sample PostgreSQL 18 database Wants=network-online.target After=network-online.target [Container] Image=docker.io/library/postgres:18 ContainerName=dew_postgresql-18 Environment=POSTGRES_DB=dew Environment=POSTGRES_USER=dew Environment=POSTGRES_PASSWORD=dew_dev_password PublishPort=127.0.0.1:5432:5432 Volume=dew_postgresql-18_data:/var/lib/postgresql/data:Z HealthCmd=pg_isready -U dew -d dew HealthInterval=10s HealthTimeout=5s HealthRetries=5 [Service] Restart=on-failure TimeoutStartSec=120 [Install] WantedBy=default.target