docs: Simplify Docker docs

1. Docker standalone is barely used.
2. We should also mount the data as FS instead of a docker volume

Author: fkozmik

languages/en/installation-guide/docker/docker_compose.rst

@@ -34,6 +34,15 @@ Please be aware that you need **double quotes** around your variables in order f
 
 Please check the :ref:`environment variables <docker-environment-variables>` to know what they stand for.
 
+The Volumes
+```````````
+
+We're going to mount tuleap as a Filesystem mountpoint instead of a typical Docker volume :
+  - It eases configuration manipulation
+  - It allows a better Disk space management
+  - It allows easier Migration / Disaster Recovery if needed
+  - It allows easier backups 
+  - There are no significant performance drop on Linux 
 
 Tuleap Community
 `````````````````
@@ -58,7 +67,7 @@ Then create a ``compose.yaml`` file with following content:
           - "443:443"
           - "22:22"
         volumes:
-          - tuleap-data:/data
+          - /srv/tuleap/tuleap-data:/data
         depends_on:
           - db
         environment:
@@ -70,17 +79,14 @@ Then create a ``compose.yaml`` file with following content:
           - DB_ADMIN_PASSWORD=${MYSQL_ROOT_PASSWORD}
 
       # This is for test purpose only. It's not advised to run a production database as a docker container
-      db:
+      mysql:
         image: mysql:8.0
         command: ["--character-set-server=utf8mb4", "--collation-server=utf8mb4_unicode_ci", "--sql-mode=NO_ENGINE_SUBSTITUTION"]
         environment:
           - MYSQL_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD}
         volumes:
-          - db-data:/var/lib/mysql
+          - /srv/tuleap/mysql-data:/var/lib/mysql
 
-    volumes:
-      tuleap-data:
-      db-data:
 
 Tuleap Enterprise
 `````````````````
@@ -117,7 +123,7 @@ Please check the :ref:`environment variables <docker-environment-variables>` to
           - "443:443"
           - "22:22"
         volumes:
-        - tuleap-data:/data
+        - /srv/tuleap/tuleap-data:/data
         environment:
         - TULEAP_FQDN=${TULEAP_FQDN}
         - TULEAP_SYS_DBHOST=${DB_FQDN}
@@ -128,8 +134,6 @@ Please check the :ref:`environment variables <docker-environment-variables>` to
         - TULEAP_FPM_SESSION_MODE=redis
         - TULEAP_REDIS_SERVER=${REDIS_FQDN}
 
-    volumes:
-        tuleap-data:
 
 If you want to secure your server and use certificates, you may spawn a Reverse-Proxy in the stack.
 

languages/en/installation-guide/docker/docker_standalone.rst

@@ -16,7 +16,7 @@ It allows you to not be bothered by different OS migrations and the like.
 Prerequisites
 `````````````
 
-You need `docker <https://docs.docker.com/engine/install/>`_ on your host. You might want docker-compose as well.
+You need `docker compose <https://docs.docker.com/compose/install/>`_ on your host.
 
 The following sections assume that you are going to run the Tuleap container as the only "visible" container on the server.
 That means that Tuleap web container will publish it's ports (``80``, ``443`` and ``22``) on hosts ports.
@@ -34,3 +34,5 @@ Please do note that shared databases must not be used:
 - they cannot guarantee the needed Quality of service
 - they cannot respect the requirements (SQL modes)
 - they make consistent backups almost impossible
+
+In most cases, you'll also want a Reverse-Proxy to get access to your platform and handle the TLS termination.

languages/en/installation-guide/docker/intro_docker.rst

@@ -15,5 +15,4 @@ Table of contents:
    intro_docker
    images-configuration
    verify_images_authenticity
-   docker_standalone
    docker_compose