[Unit]
Description=MongoDB for Unifi Network Application
Documentation=https://hub.docker.com/_/mongo/
After=network.target

# Only start if Unifi has been configured
ConditionPathExists=/etc/quadlets/unifi/config.env

# Start/stop this unit when the target is started/stopped
PartOf=unifi.target

[Container]
ContainerName=unifi-mongo
Image=docker.io/library/mongo:${MONGO_MAJOR}
AutoUpdate=registry

# Network configuration
Network=host

# No need for root privileges
User=10011
Group=10000

# Environment variables for MongoDB initialization
Environment=MONGO_INITDB_ROOT_USERNAME MONGO_INITDB_ROOT_PASSWORD MONGO_DBNAME MONGO_USER MONGO_PASS MONGO_AUTHSOURCE

# Bind MongoDB to localhost to prevent it from being accessible from the network, since the Unifi app will connect to it via localhost
Exec=--bind_ip 127.0.0.1

# Volume mounts for data persistence
Volume=/var/lib/quadlets/unifi/mongo/db:/data/db:Z
Volume=/var/lib/quadlets/unifi/mongo/configdb:/data/configdb:Z
Volume=/etc/quadlets/unifi/init-mongo.js:/docker-entrypoint-initdb.d/init-mongo.js:ro,z

# Health check
HealthCmd=mongosh --quiet --eval "db.runCommand({ping: 1})" || exit 1
HealthInterval=30s
HealthTimeout=10s
HealthStartPeriod=30s
HealthRetries=3

[Service]
Restart=always
RestartSec=5
TimeoutStartSec=300
TimeoutStopSec=30

# These environment variables are sourced to be used by systemd in the Exec* commands
EnvironmentFile=/etc/quadlets/unifi/config.env

[Install]
WantedBy=unifi.target