updated docs

.drone.yml

@@ -12,12 +12,10 @@ steps:
       repo: docker.asperti.com/paspo/mqtt
       tags:
         - latest
-        - ${DRONE_TAG}
-        - ${DRONE_SEMVER_MAJOR}.${DRONE_SEMVER_MINOR}
       force_tag: true
       username:
         from_secret: docker_username
 
 trigger:
   event:
-    - tag
+    - tag

Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.14
+FROM alpine:3.15
 RUN \
   apk -U upgrade && apk add mosquitto mosquitto-clients openssl && \
   echo "log_dest stdout" >/etc/mosquitto/mosquitto.conf && \

README.md

@@ -30,6 +30,7 @@ services:
 ```
 
 This is the configuration (mosquitto.conf):
+
 ```
 listener 8883
 certfile /data/live/domain/cert.pem
@@ -47,7 +48,14 @@ psk_file /etc/mosquitto/pskfile
 The first port is used with a passwd file, that you can create in the usual way.
 
 You also need to create a file named "pskfile" to access the "secondary" port, with this syntax:
+
 ```
 user1:password1
 user2:password2
 ```
+
+## password update
+
+```sh
+docker compose exec server mosquitto_passwd -b /etc/mosquitto/passwd username StrongPa$$w0rd
+```