story_AT1-422: Add readme file for archiver implementation.

README.md

 # TANGO Docker containers
 
-[![Documentation Status](https://readthedocs.org/projects/ska-docker/badge/?version=latest)](https://developer.skatelescope.org/projects/ska-docker/en/latest/?badge=latest)
-
 This project defines a set of Docker images and Docker compose files
 that are useful for TANGO control system development.
-
-See the documentation in the ``docs`` folder for build and usage 
+See the documentation in the 'docs' folder for build and usage
 instructions.
+
+
+## Complete Archiver Implementation
+
+[![Documentation Status](https://readthedocs.org/projects/ska-docker/badge/?version=latest)](https://developer.skatelescope.org/projects/ska-docker/en/latest/?badge=latest)
+
+
+Docker images such as tango-archiver, mariadb and hdb++ viewer are used for archiving various attributes and states of 
+tango devices. Containers like mariadb, databaseds, hdbpp-es, hdbpp-cm should be up and running. HDB++ is a historical 
+database used to store the archived attributes values. Here maria database with default schema of hdp++ is used to store 
+the archived values.
+Hdbpp-es is event suscriber device is in charge of gathering the values from the Tango devices and storing them into the
+database (mariadb). Hdbpp-cm is a configuration manager server. It configures the attributes to be archived and defines
+which Event Subscriber is responsible for a set of Tango attributes to be archived.
+Hdbpp-viewer shows the picturial representation of archived attributes, which are stored in maria database.
+
+# Important links
+ * [Link for Mariadb container](https://gitlab.com/ska-telescope/ska-docker/tree/story_AT1-422/docker/tango/mariadb_hdbpp)
+ * [Link for Tango-archiver container](https://gitlab.com/ska-telescope/ska-docker/tree/story_AT1-422/docker/tango/tango-archiver)
+ * [Link for Hdbpp-viewer container](https://gitlab.com/ska-telescope/ska-docker/tree/story_AT1-422/docker/tango/hdbpp_viewer)
+ * [Docker-compose yaml](https://gitlab.com/ska-telescope/ska-docker/blob/story_AT1-422/docker/tango/tango-archiver/docker-compose.yml)
\ No newline at end of file

docker/tango/mariadb_hdbpp/README.md

@@ -13,12 +13,12 @@
 * tango-java ({DOCKER_REGISTRY_HOST}/${DOCKER_REGISTRY_USER}/tango-java:latest)
 * mariadb_hdbpp ({DOCKER_REGISTRY_HOST}/${DOCKER_REGISTRY_USER}/mariadb_hdbpp:latest)
 
-# 4: Creating Mariadb docker containers
+# 4: Creating mariadb docker containers
  Image '{DOCKER_REGISTRY_HOST}/${DOCKER_REGISTRY_USER}/mariadb_hdbpp' with tag:latest  is used to create Mariadb 
  container. MYSQL_DATABASE=hdbpp,  MYSQL_USER=tango,  MYSQL_PASSWORD=tango, TANGO_HOST=${TANGO_HOST} are the enviornments
  variables set at the time of mariadb container creation. archiverdb is the permenent volume required.
 
-# 5: Running mariadb inside Docker containers
+# 5: Running mariadb inside docker containers
 
 mariadb can run on dockers using following command inside the ./tango-archiver
 

docker/tango/tango-archiver/README.md

-# Tango-archiver Docker Container
+# Tango-archiver Docker Containers
 
 [![Documentation Status](https://readthedocs.org/projects/ska-docker/badge/?version=latest)](https://developer.skatelescope.org/projects/ska-docker/en/latest/?badge=latest)
 
@@ -49,7 +49,7 @@ The data file, archiver-devices.json file runs in this container to configure al
 nexus.engageska-portugal.pt/ska-docker/tango-dsconfig:latest is used in this container.
 TANGO_HOST=${TANGO_HOST} is the eviornment variable set inside this container at the time of creation.
 
-# 5: Running tango-archiver inside Docker containers
+# 5: Running tango-archiver inside docker containers
 
  tango-archiver can run on dockers using following command inside the ./tango-archiver