HIVE-27955: Missing Postgres driver when start services from Docker c…

…ompose

packaging/src/docker/README.md

@@ -57,10 +57,10 @@ For a quick start, launch the Metastore with Derby,
   Everything would be lost when the service is down. In order to save the Hive table's schema and data, start the container with an external Postgres and Volume to keep them,
 
   ```shell
-  docker run -d -p 9083:9083 --env SERVICE_NAME=metastore \
-       --env DB_DRIVER=postgres \
+  docker run -d -p 9083:9083 --env SERVICE_NAME=metastore --env DB_DRIVER=postgres \
        --env SERVICE_OPTS="-Djavax.jdo.option.ConnectionDriverName=org.postgresql.Driver -Djavax.jdo.option.ConnectionURL=jdbc:postgresql://postgres:5432/metastore_db -Djavax.jdo.option.ConnectionUserName=hive -Djavax.jdo.option.ConnectionPassword=password" \
        --mount source=warehouse,target=/opt/hive/data/warehouse \
+       --mount type=bind,source=`mvn help:evaluate -Dexpression=settings.localRepository -q -DforceStdout`/org/postgresql/postgresql/42.5.1/postgresql-42.5.1.jar,target=/opt/hive/lib/postgres.jar \
        --name metastore-standalone apache/hive:${HIVE_VERSION}
   ```
 
@@ -101,11 +101,12 @@ Launch the HiveServer2 with an embedded Metastore,
 
 - HiveServer2, Metastore
 
-To get a quick overview of both HiveServer2 and Metastore, you can run:
+To get a quick overview of both HiveServer2 and Metastore, run:
 
 ```shell
     cd packaging/src/docker
-    docker compose up -d
+    # This command will mount postgresql-42.5.1.jar from the maven local repository into the Metastore container
+    MAVEN_LOCAL_REPOSITORY=`mvn help:evaluate -Dexpression=settings.localRepository -q -DforceStdout` docker compose up -d
   ```
 Volumes are used to persist data generated by Hive inside Postgres and HiveServer2 containers,
   - hive_db

packaging/src/docker/docker-compose.yml

@@ -32,6 +32,9 @@ services:
         - '9083:9083'
     volumes:
         - warehouse:/opt/hive/data/warehouse
+        - type: bind
+          source: ${MAVEN_LOCAL_REPOSITORY}/org/postgresql/postgresql/42.5.1/postgresql-42.5.1.jar
+          target: /opt/hive/lib/postgres.jar
 
   hiveserver2:
     image: apache/hive:${HIVE_VERSION}