Auto-save on changes and persist data to data directory

.gitignore

@@ -1,2 +1,2 @@
 .env
-
+data/*

docker-compose.yml

@@ -8,6 +8,7 @@ services:
       - ./mosquitto/mosquitto.conf:/mosquitto/config/mosquitto.conf
       - ./mosquitto/aclfile:/mosquitto/config/aclfile
       - ./mosquitto/entrypoint.sh:/entrypoint.sh
+      - ./data/:/var/lib/mosquitto/
     entrypoint: /entrypoint.sh
     restart: unless-stopped
 

mosquitto/entrypoint.sh

@@ -1,6 +1,12 @@
 #!/bin/sh
+
 # Set permissions for the aclfile
 chmod 0700 /mosquitto/config/aclfile
 
+# Ensure the persistence directory exists and set appropriate permissions
+mkdir -p /var/lib/mosquitto
+chown mosquitto:mosquitto /var/lib/mosquitto
+chmod 0755 /var/lib/mosquitto
+
 # Start the Mosquitto service
 exec mosquitto -c /mosquitto/config/mosquitto.conf

mosquitto/mosquitto.conf

@@ -5,3 +5,16 @@ listener 9001
 protocol websockets
 
 acl_file /mosquitto/config/aclfile
+
+# Enable persistent storage
+persistence true
+
+# Set the location for the persistence files
+persistence_location /var/lib/mosquitto
+
+# If configured with `autosave_on_changes` represents, this represents the total
+# number of changes before an autosave.  Otherwise, it uses seconds, and defaults
+# to 1800 (30 minutes).
+autosave_interval 1
+
+autosave_on_changes true