docker-compose.yml

# Reference : https://www.section.io/engineering-education/running-a-multi-container-springboot-postgresql-application-with-docker-compose/

version: '3.1'
services:
  application:
    container_name: container_main_info_keeper
    image: info_keeper_main_image
    build: . # or build the image from the dockerfile located at the current directory
    # pull docker image that I've already created for this application. It can be local docker image as well
    # image: badripaudel77/info-keeper-spring-boot-docker:my-info-app #docker image from the docker-hub
    # image: 'info-keeper-spring-boot-docker-local' #local image build using docker-build command
    # map ports of 8080 from my computer to the docker container's port of 5000
    ports:
      - "5000:8080"

    networks:
      - info_keeper_network

    # This APP services depends upon postgres Service
    depends_on:
      [pg_database]
    restart: always

    #Define Environment
    environment:
      - SPRING_DATASOURCE_URL=jdbc:postgresql://pg_database:5432/info_keeper_sb_docker
      - SPRING_DATASOURCE_USERNAME=postgres
      - SPRING_DATASOURCE_PASSWORD=_BadriPostgres1@
      - SPRING_JPA_HIBERNATE_DDL_AUTO=update
#      - APP_ENV_NAME=uat

  pg_database:

    #official image of postgres from the docker hub, by default pulls the latest one.
    image: postgres:16
    container_name: container_postgres_service

    # map the ports for postgres
    ports:
      - "5433:5432"

    networks:
      - info_keeper_network
# As data is stored on container's volume, it will be erased once we delete or remove the container.
# to persist data even after the removal of the container, we need to mount volume so that the volume on /var/lib/postgresql/data
# will be mapped to the given location.
# in my case  /Users/badripaudel/IdeaProjects/Information-Keeper-SB/data it has data and app using the same docker compose file
# use data from this location.
    volumes:
#      - grails_web_db:/var/lib/postgresql/data
       - ./data:/var/lib/postgresql/data

    # define environments for the postgres
    environment:
      - POSTGRES_PASSWORD=_BadriPostgres1@
      - POSTGRES_USER=postgres
      - POSTGRES_DB=info_keeper_sb_docker
#      - POSTGRES_DB=test_dump
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U postgres"]
      interval: 10s
      timeout: 5s
      retries: 5

networks:
  info_keeper_network:
    driver: bridge

#volumes:
#  grails_web_db: