docs: Add to Docker setup (apache#1204)

- add command to enter psql interface from command line. (cherry picked from commit 25660e5)
markgomer · Oct 25, 2023 · e9dd371 · e9dd371
1 parent 92f972f
commit e9dd371
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/README.md b/README.md
@@ -199,6 +199,12 @@ docker run \
     apache/age
 ```
 
+<h5> Enter PostgreSQL's psql: </h5>
+
+```bash
+docker exec -it age psql -d postgresDB -U postgresUser
+```
+
 
 
 <h2><img height="20" src="/img/contents.svg">&nbsp;&nbsp;Post Installation</h2>