working docker compose containers

docker-compose.yml

 version: "3.5"
 
 services:
-  emp_db:
-    container_name: pgDatabase
+  empdb:
+    container_name: empdb
     image: postgres
-    ports:
-      - 3191:5432
+    expose:
+      - "5432"
     networks:
       - empnetwork
+    environment:
+      - POSTGRES_USER=emp_serv
+      - POSTGRES_PASSWORD=emp_serv
+      - POSTGRES_DB=emp_serv
 
   spring_boot:
     container_name: employeesApp
-    image: ccottiernsm/employee-service
+    image: employee-serv
     ports:
       - 8081:8080
     depends_on:
-      - emp_db
+      - empdb
     networks:
       - empnetwork
 

src/main/resources/application.properties

-spring.datasource.url=jdbc:postgresql://localhost:5432/emp_serv_db
+spring.datasource.url=jdbc:postgresql://empdb:5432/emp_serv
 spring.datasource.driverClassName=org.postgresql.Driver
 spring.datasource.username=emp_serv
 spring.datasource.password=emp_serv
 spring.datasource.schema=classpath:employee.sql
 
+
+spring.jpa.hibernate.ddl-auto=update
+spring.jpa.show-sql=true
+spring.jpa.properties.hibernate.format_sql=true
+spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.PostgreSQL81Dialect
+
 #spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
 #spring.jpa.hibernate.ddl-auto=none