[Unit]
Description=MeshBay Hub — identity authority and group registry
Documentation=https://meshbay.org/docs
After=network-online.target postgresql.service
Wants=network-online.target
Requires=postgresql.service

[Service]
Type=simple
User=meshbay
Group=meshbay
WorkingDirectory=/var/lib/meshbay/hub

# Environment — override in /etc/meshbay/hub.env
EnvironmentFile=-/etc/meshbay/hub.env
Environment=MESHBAY_DATABASE_URL=postgresql+asyncpg://meshbay:CHANGEME@localhost/meshbay_hub
Environment=MESHBAY_HUB_KEY=/etc/meshbay/hub_private.pem

ExecStartPre=/opt/meshbay-common/venv/bin/alembic -c /opt/meshbay-hub/migrations/alembic.ini upgrade head
ExecStart=/opt/meshbay-common/venv/bin/meshbay-hub --config /etc/meshbay/hub.toml
Restart=always
RestartSec=5
TimeoutStopSec=30

# Security hardening
NoNewPrivileges=true
PrivateTmp=true
ProtectSystem=strict
ProtectHome=true
ReadWritePaths=/var/lib/meshbay/hub /var/log/meshbay
CapabilityBoundingSet=
AmbientCapabilities=

[Install]
WantedBy=multi-user.target