spring boot image doesn't run when pulled from docker hub

Question

I have push spring boot image to docker hub it is also dependent on PostgreSQL image. I get error PSQLEXception : The connection attempt failed. When running the pulled spring boot image. Should I also push PostgreSQL image too or is there a way to push booth the images Together.

version: '3.1'
services:
  app:
    container_name: app-springboot-furniture
    image: app-springboot-furniture
    build: ./
    ports:
      - "8090:8090"
    depends_on:
      - postgres
  postgres:
    image: postgres
    restart: always
    ports:
      - "5432:5432"
    volumes:
      - app-data:/var/lib/postgresql/data
    environment:
      - POSTGRES_PASSWORD=123
      - POSTGRES_USER=postgres
      - POSTGRES_DB=nextlevel


  pgadmin:
    container_name: pgadmin4_container_furniture
    image: dpage/pgadmin4:5.5
    restart: always
    environment:
      PGADMIN_DEFAULT_EMAIL: [email protected]
      PGADMIN_DEFAULT_PASSWORD: secret
      PGADMIN_LISTEN_PORT: 80
    ports:
      - "8080:80"
volumes:
  app-data:

FROM openjdk:11
EXPOSE 8090
ADD target/spring-boot-e-commerce-furniture.jar furniture.jar
ENTRYPOINT ["java","-jar","furniture.jar"]

Caused by: org.postgresql.util.PSQLException: The connection attempt failed.
        at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:297) ~[postgresql-42.2.14.jar!/:42.2.14]
        at org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java:49) ~[postgresql-42.2.14.jar!/:42.2.14]
        at org.postgresql.jdbc.PgConnection.<init>(PgConnection.java:217) ~[postgresql-42.2.14.jar!/:42.2.14]
        at org.postgresql.Driver.makeConnection(Driver.java:458) ~[postgresql-42.2.14.jar!/:42.2.14]
        at org.postgresql.Driver.connect(Driver.java:260) ~[postgresql-42.2.14.jar!/:42.2.14]
        at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138) ~[HikariCP-3.4.5.jar!/:na]
        at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:358) ~[HikariCP-3.4.5.jar!/:na]
        at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:206) ~[HikariCP-3.4.5.jar!/:na]
        at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:477) ~[HikariCP-3.4.5.jar!/:na]
        at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:560) ~[HikariCP-3.4.5.jar!/:na]
        at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:115) ~[HikariCP-3.4.5.jar!/:na]
        at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112) ~[HikariCP-3.4.5.jar!/:na]
        at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122) ~[hibernate-core-5.4.17.Final.jar!/:
5.4.17.Final]