Add Demo Tutorial link on the GCE platform (#28)

README.md

@@ -2,6 +2,8 @@
 
 Meeds Docker image
 
+[![Open in Cloud Shell](https://gstatic.com/cloudssh/images/open-btn.svg)](https://shell.cloud.google.com/cloudshell/editor?cloudshell_git_repo=https%3A%2F%2Fgithub.com%2FMeeds-io%2Fmeeds-docker&cloudshell_git_branch=develop&cloudshell_tutorial=gce.md)
+
 The image is compatible with the following databases system :  `MySQL` (default) / `HSQLDB` / `PostgreSQL`
 
 ![Docker Stars](https://img.shields.io/docker/stars/meedsio/meeds.svg) - ![Docker Pulls](https://img.shields.io/docker/pulls/meedsio/meeds.svg)

gce-compose.yml

@@ -0,0 +1,53 @@
+#
+# This file is part of the Meeds project (https://meeds.io/).
+# Copyright (C) 2024 Meeds Association
+# [email protected]
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 3 of the License, or (at your option) any later version.
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+# You should have received a copy of the GNU Lesser General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+version: '2'
+services:
+  meeds:
+    image: ghcr.io/meeds-io/meeds/meeds-io:develop
+    environment:
+      MEEDS_PROXY_VHOST: localhost
+      MEEDS_PROXY_PORT: 80
+      MEEDS_PROXY_SSL: "false"
+      MEEDS_DB_NAME: meeds
+      MEEDS_DB_USER: meeds
+      MEEDS_DB_PASSWORD: my-secret-pw
+      MEEDS_ADDONS_LIST: 
+      MEEDS_JVM_LOG_GC_ENABLED: "true"
+      MEEDS_ES_SCHEME: http
+      MEEDS_ES_HOST: es
+      MEEDS_ES_PORT: 9200
+    volumes:
+      - meeds_data:/srv/meeds
+      - meeds_logs:/var/log/meeds
+    expose:
+      - "8080"
+    ports:
+      - "8080:8080"
+  es:
+    image: exoplatform/elasticsearch:2.0.3
+    volumes:
+      - search_data:/usr/share/elasticsearch/data:rw
+    environment:
+      - ES_JAVA_OPTS=-Xms2048m -Xmx2048m
+      - node.name=meeds
+      - cluster.name=meeds
+      - cluster.initial_master_nodes=meeds
+      - network.host=_site_   
+volumes:
+  meeds_data:
+  meeds_logs:
+  search_data:

gce.md

@@ -0,0 +1,42 @@
+# How to run?
+
+## Getting started
+
+Welcome to the Meeds-io Startup tutorial. Here we will show you how to run Meeds in a few steps. To get started, click on Start!
+
+## VM Setup
+Elasticsearch uses a mmapfs directory by default to store its indices. The default operating system limits on mmap counts are likely to be too low, which may result in out-of-memory exceptions. See [doc](https://www.elastic.co/guide/en/elasticsearch/reference/current/vm-max-map-count.html).
+```bash
+sudo sysctl -w vm.max_map_count=262144
+```
+## Start Meeds
+```bash
+docker-compose -f gce-compose.yml -p demo up -d
+docker-compose -f gce-compose.yml -p demo logs -f meeds
+```
+
+Wait for Meeds's startup. A log message should appear:
+```
+| INFO  | Server startup in [XXXXX] milliseconds [org.apache.catalina.startup.Catalina<main>]
+```
+After Meeds startup. Click on `Web preview` <walkthrough-web-preview-icon></walkthrough-web-preview-icon> Button and click on `Preview on Port 8080`. Enjoy!
+
+## Stop Meeds
+Hope you enjoyed Meeds. You can tear down the server by following one of these options:
+ - To stop Meeds without removing docker containers:
+    ```bash
+    docker-compose -f gce-compose.yml -p demo stop
+    ```
+ - To stop Meeds by removing docker containers:
+    ```bash
+    docker-compose -f gce-compose.yml -p demo down
+    ```
+ - To stop Meeds by removing docker containers and volumes:
+    ```bash
+    docker-compose -f gce-compose.yml -p demo down -v
+    ```
+You can start again meeds by following the previous step.
+
+You can check out our Github [organization](https://github.com/Meeds-io) and our [builders hub](https://builders.meeds.io).
+
+That's all :)