Modified PG startup script and added volume

bbb-common-web/docker-compose.yml

@@ -11,4 +11,5 @@ services:
     ports:
       - "${HOST_PORT}:${CONTAINER_PORT}"
     volumes:
+      - "./postgres-data:/var/lib/postgresql/data"      
       - "./src/main/java/db/migration:/docker-entrypoint-initdb.d"

bbb-common-web/hibernate-cfg.sh

@@ -8,7 +8,7 @@ echo '<!DOCTYPE hibernate-configuration PUBLIC
         <session-factory>
           <!-- JDBC Database connection settings -->
 	  <property name="connection.driver_class">org.postgresql.Driver</property>
-          <property name="connection.url">jdbc:postgresql://localhost:'"$HOST_PORT"'/bbb</property>
+          <property name="connection.url">jdbc:postgresql://localhost:'"$HOST_PORT"'/'"$POSTGRES_USER"'</property>
           <property name="connection.username">'"$POSTGRES_USER"'</property>
           <property name="connection.password">'"$POSTGRES_PASSWORD"'</property>
           <!-- JDBC connection pool settings -->

bbb-common-web/src/main/java/db/migration/V1__Initial_create.sql

@@ -1,6 +1,3 @@
-CREATE DATABASE bbb;
-\c bbb;
-
 CREATE TABLE IF NOT EXISTS recordings (
 	id BIGSERIAL PRIMARY KEY,
 	record_id VARCHAR(64),