# Top-level docker-compose environment variables
# Copy to .env and fill in values before running `docker compose up`

# -----------------------------------------------------------------------
# MQTT broker credentials
# These are injected into the mosquitto container at startup to build the
# password file. Use different values in production — do NOT reuse defaults.
# -----------------------------------------------------------------------

# C2-core service account (full broker access)
MQTT_C2_USER=drb-c2-core
MQTT_C2_PASS=change-me-c2

# Shared credential for all edge nodes (ACL scopes each node to its own
# nodes/<NODE_ID>/# namespace via the MQTT client ID)
MQTT_NODE_USER=drb-node
MQTT_NODE_PASS=change-me-node