Update README.md

README.md

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-# docker-postgresql-client
-A docker image for the Postgres client 
+# docker-postgresql-client 
+![GitHub Workflow Status (with event)](https://img.shields.io/github/actions/workflow/status/binaryoverload/docker-postgresql-client/docker.yml)
+
+A Docker image for all of the PostgreSQL client executables, including:
+ - `pg_dump` - Extract a PostgreSQL database into a script file or other archive file
+ - `pg_dumpall` - Extract a PostgreSQL database cluster into a script file
+ - `pg_restore` - Restore a PostgreSQL database from an archive file created by pg_dump
+ - `psql` - PostgreSQL interactive terminal
+ - `pg_isready` - Check the connection status of a PostgreSQL server
+ - `pg_basebackup` - Take a base backup of a PostgreSQL cluster
+ - `pg_verifybackup` - Verify the integrity of a base backup of a PostgreSQL cluster
+ - [And many more...](https://www.postgresql.org/docs/current/reference-client.html)
+
+This image is intended to be used as a base image for running PostgreSQL scripts and as such is deployed in both Ubuntu (Default) and Alpine distro variants with all major supported versions:
+ - 16
+ - 15
+ - 14
+ - 13
+ - 12
+
+Information on the versions of PostgreSQL and their support periods can be found [at the link here](https://www.postgresql.org/support/versioning/).