Bump versions

Dockerfile

-FROM alpine:3.11
+FROM alpine:3.16
 
 # Some ENV variables
 ENV PATH="/mattermost/bin:${PATH}"

docker-compose.yml

@@ -17,11 +17,11 @@ volumes:
 
 services:
   mattermost:
-    image: registry.picasoft.net/pica-mattermost:7.2.0
+    image: registry.picasoft.net/pica-mattermost:7.4.0
     build:
       context: .
       args:
-        MM_VERSION: 7.2.0
+        MM_VERSION: 7.4.0
     container_name: mattermost-app
     volumes:
       - mattermost-config:/mattermost/config
@@ -44,7 +44,7 @@ services:
     restart: unless-stopped
 
   mattermost-db:
-    image: postgres:12-alpine
+    image: postgres:15-alpine
     container_name: mattermost-db
     volumes:
       - mattermost-db:/var/lib/postgresql/data

prometheus-exporter/Dockerfile

-FROM python:3.9-alpine3.13 as builder
+FROM python:3.11-alpine3.16 as builder
 
 COPY exporter.py /exporter.py
 COPY requirements.txt /requirements.txt