Update service dependencies descriptions in docs

Clarify dependency relationships and add a diagram in build.rst. This ensures a clear understanding of service dependencies for local deployment, aiding both unit and system tests.

Signed-off-by: Jose Borreguero <[email protected]>

docs/developer/index.rst

@@ -41,9 +41,8 @@ Services
 --------
 
 The components making up the infrastructure of Web Monitor have dependencies.
-In the diagram below shows the dependencies of the local deployment.
-`service1` --> `service2` is to be read as `service1` depends on `service2`.
-For instance, `webmonchow` depends on `db`.
+In the diagram below shows the dependencies of the local deployment,
+where service ``webmonchow`` depends on service ``db``.
 
 .. image:: images/local_deployment_dependence_graph.png
     :width: 600px

docs/developer/instruction/build.rst

@@ -7,6 +7,22 @@ Developing in a Local Environment
 .. note::
    This document is updated, however, it may be good to read the `continuous integration <https://github.com/neutrons/data_workflow/tree/next/.github/workflows>`_ scripts as well.
 
+Dependencies between services
+-----------------------------
+
+The services making up the infrastructure of Web Monitor have dependencies.
+The diagram below shows the dependencies for a local deployment guaranteeing that
+the application will run _and_ that both unit and system tests will pass.
+
+``service1`` --> ``service2`` is to be read as ``service1`` depends on ``service2``.
+For instance, ``webmonchow`` depends on ``db``.
+
+.. image:: ../images/local_deployment_dependence_graph.png
+   :width: 600px
+   :align: center
+   :alt: services dependence graph
+
+
 Description of available Django settings
 ----------------------------------------
 Settings are split according to different target environments,