docker-compose.yml

version: '3.8'
services:
  db:
    image: postgres
    restart: always
    container_name: security-db
    environment:
      POSTGRES_DB: security-db
      POSTGRES_USER: scrty
      POSTGRES_PASSWORD: scrty123
    ports:
      - '5050:5432'

application.properties

spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.PostgreSQLDialect
spring.datasource.url=jdbc:postgresql://localhost:5050/security-db
spring.datasource.username=scrty
spring.datasource.password=scrty123
spring.jpa.hibernate.ddl-auto=update

I am trying to run my Spring Boot application inside a Docker container and I am also running a PostgreSQL database in another Docker container. However, my application cannot establish a connection with the PostgreSQL database.