Update to Matomo 5.3.3 and Fix TagManager

Why these changes are being introduced:
Along with the 5.3.3 upgrade, we are enabling the TagManager plugin.
We just discovered that the TagManager plugin had been enabled via
the Matomo UI in Prod, but since this was never captured in the
container definition here, it did not persist.

NOTE: The steps documented in the HOWTO have already been followed in
Dev1, Stage-Workloads, and Prod-Workloads.

How this addresses that need:
* Create a HOWTO to document the difficulty in enabling the TagManager
plugin in our environment
* Update the config.ini.php file to reflect the activation of the
TagManager plugin
* Update the Dockerfile to update to the latest version of Matomo

Side effects of this change:
None.

Relevant ticket(s):
* https://mitlibraries.atlassian.net/browse/WEB-2064
* https://mitlibraries.atlassian.net/browse/INFRA-526

Author: cabutlermit

Dockerfile

@@ -1,6 +1,6 @@
-FROM matomo:5.3.1
+FROM matomo:5.3.2
   # checkov:skip=CKV_DOCKER_2:Skipping HEALTHCHECK configuration for now
-  # checkov:skip=CKV_DOCKER_3:Intentionally using root for the user
+  # checkov:skip=CKV_DOCKER_3:The container actually runs as www-data user
 
 # Add the EnvironmentVariables plugin
 COPY ./files/plugin-EnvironmentVariables-5.0.3/ /var/www/html/plugins/EnvironmentVariables

docs/HowTos/HOWTO-activate-TagManager.md

@@ -0,0 +1,21 @@
+# TagManager core plugin activation
+
+Turns out that the TagManager core plugin needs some extra care and attention if it wasn't initially enabled when first starting with Matomo. Attempting to activate it the usual way causes Matomo to break.
+
+This GitHub Issue documents that problem and provides a simple (but strange) solution:
+
+* [Issue: Can't install TagManager plugin because table _tagmanager_container is missing](https://github.com/matomo-org/matomo/issues/19474)
+
+For our container-based deploy, this means
+
+1. connect to the running container
+1. ensure that a simple text editor is available in the container
+1. deactivate the TagManager plugin: `./console plugin:deactivate TagManager`
+1. edit the config/config.ini.php file to remove the `PluginsInstalled[] = "TagManager"` line
+1. run the `core:update` command: `./console core:update` (nothing should happen)
+1. activate the TagManager plugin: `./console plugin:activate TagManager`
+1. run the `core:update` command again: `./console core:update` (nothing should happen)
+
+The appropriate updates to the database will now be in place.
+
+At this point, proceed with updates to this repository by updating the `config.ini.php` file to match the file from the container.

files/config.ini.php

@@ -96,6 +96,7 @@
 Plugins[] = "CustomDimensions"
 Plugins[] = "FeatureFlags"
 Plugins[] = "MobileAppMeasurable"
+Plugins[] = "TagManager"
 Plugins[] = "CustomVariables"
 Plugins[] = "EnvironmentVariables"
 Plugins[] = "HeatmapSessionRecording"