diff --git a/.env.example b/.env.example
index 2248e07..e3d4e36 100644
--- a/.env.example
+++ b/.env.example
@@ -2,32 +2,28 @@
 # Copy this file to .env and customize values
 
 # ===================
-# Docker Image
+# Data & Seed Directories
 # ===================
 
-# Leave empty to build from local Dockerfile, or set to use a pre-built image:
-# MESHCORE_IMAGE=ghcr.io/ipnet-mesh/meshcore-hub:latest
-# MESHCORE_IMAGE=ghcr.io/ipnet-mesh/meshcore-hub:main
-# MESHCORE_IMAGE=ghcr.io/ipnet-mesh/meshcore-hub:v1.0.0
-MESHCORE_IMAGE=
-
-# ===================
-# Data Directory
-# ===================
-
-# Base directory for all service data (collector DB, tags, members, etc.)
+# Base directory for runtime data (database, etc.)
 # Default: ./data (relative to docker-compose.yml location)
 # Inside containers this is mapped to /data
 #
 # Structure:
 #   ${DATA_HOME}/
-#   ├── collector/
-#   │   ├── meshcore.db    # SQLite database
-#   │   └── tags.json      # Node tags for import
-#   └── web/
-#       └── members.json   # Network members list
+#   └── meshcore.db    # SQLite database
 DATA_HOME=./data
 
+# Directory containing seed data files for import
+# Default: ./seed (relative to docker-compose.yml location)
+# Inside containers this is mapped to /seed
+#
+# Structure:
+#   ${SEED_HOME}/
+#   ├── node_tags.yaml    # Node tags for import
+#   └── members.yaml      # Network members for import
+SEED_HOME=./seed
+
 # ===================
 # Common Settings
 # ===================
@@ -35,12 +31,20 @@ DATA_HOME=./data
 # Logging level (DEBUG, INFO, WARNING, ERROR, CRITICAL)
 LOG_LEVEL=INFO
 
-# MQTT Broker Settings (internal use)
+# ===================
+# MQTT Settings
+# ===================
+
+# MQTT Broker connection (for interface/collector/api services)
+# When using the local MQTT broker (--profile mqtt), use "mqtt" as host
+# When using an external broker, set the hostname/IP
+MQTT_HOST=mqtt
+MQTT_PORT=1883
 MQTT_USERNAME=
 MQTT_PASSWORD=
 MQTT_PREFIX=meshcore
 
-# External MQTT port mapping
+# External port mappings for local MQTT broker (--profile mqtt only)
 MQTT_EXTERNAL_PORT=1883
 MQTT_WS_PORT=9001
 
@@ -58,6 +62,7 @@ SERIAL_PORT_SENDER=/dev/ttyUSB1
 SERIAL_BAUD=115200
 
 # Optional node address override (64-char hex string)
+# Only set if you need to override the device's public key
 NODE_ADDRESS=
 NODE_ADDRESS_SENDER=
 
@@ -84,25 +89,21 @@ WEB_PORT=8080
 NETWORK_NAME=MeshCore Network
 NETWORK_CITY=
 NETWORK_COUNTRY=
-NETWORK_LOCATION=
 
 # Radio configuration (comma-delimited)
 # Format: <profile>,<frequency>,<bandwidth>,<spreading_factor>,<coding_rate>,<tx_power>
 # Example: EU/UK Narrow,869.618MHz,62.5kHz,8,8,22dBm
 NETWORK_RADIO_CONFIG=
 
+# Contact information
 NETWORK_CONTACT_EMAIL=
 NETWORK_CONTACT_DISCORD=
+NETWORK_CONTACT_GITHUB=
 
 # Welcome text displayed on the homepage (plain text, optional)
 # If not set, a default welcome message is shown
 NETWORK_WELCOME_TEXT=
 
-# Members file location (optional override)
-# Default: ${DATA_HOME}/web/members.json
-# Only set this if you want to use a different location
-# MEMBERS_FILE=/custom/path/to/members.json
-
 # ===================
 # Webhook Settings
 # ===================