docker-compose.yml

x-db-host: &db-host postgres
x-db-name: &db-name bill_split
x-db-user: &db-user ${USER}
x-db-password: &db-password password
x-db-port: &db-port 5432

x-db-env: &db-env
  DB_HOST: *db-host
  DB_NAME: *db-name
  DB_USER: *db-user
  DB_PASSWORD: *db-password
  DB_PORT: *db-port

x-aws-env: &aws-env
  AWS_REGION: us-west-1
  AWS_BILL_IMAGE_S3_BUCKET: bill-split-images
  AWS_ACCESS_KEY: ${AWS_ACCESS_KEY}
  AWS_SECRET_ACCESS_KEY: ${AWS_SECRET_ACCESS_KEY}

x-kafka-host: &kafka-host kafka
x-kafka-port: &kafka-port 9092
x-kafka-bill-processing-topic: &kafka-bill-processing-topic bills-to-process

x-bill-processor-url: &bill-processor-url http://bill-processor:8080/2015-03-31/functions/function/invocations

services:
  postgres:
    container_name: postgres
    image: postgres:17
    environment:
      POSTGRES_DB: bill_split
      POSTGRES_USER: ${USER}
      POSTGRES_PASSWORD: password
    ports:
      - "5432:5432"
    restart: always
    volumes:
      - postgres_data:/var/lib/postgresql/data

  # This will run all sql migration scripts. In order to run the init scripts
  # again you may need to delete the postgres volumes.
  db-migrations:
    build:
      context: projects/db
      target: dev
    depends_on:
      - postgres
    environment:
      <<: *db-env
    init: true

  kafka:
    container_name: kafka
    image: apache/kafka:3.9.0
    ports:
      - "29092:29092"
    environment:
      KAFKA_NODE_ID: 1
      KAFKA_LISTENERS: INTERNAL://:9092,EXTERNAL_SAME_HOST://:29092,CONTROLLER://kafka:9093
      KAFKA_ADVERTISED_LISTENERS: INTERNAL://kafka:9092,EXTERNAL_SAME_HOST://localhost:29092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INTERNAL:PLAINTEXT,EXTERNAL_SAME_HOST:PLAINTEXT,CONTROLLER:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: INTERNAL
      KAFKA_CONTROLLER_LISTENER_NAMES: CONTROLLER
      KAFKA_PROCESS_ROLES: 'controller,broker'
      KAFKA_CONTROLLER_QUORUM_VOTERS: '1@kafka:9093'
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1

  kafka-init:
    build:
      context: projects/kafka
      target: dev
    depends_on:
      - kafka
    environment:
      KAFKA_HOST: *kafka-host
      KAFKA_PORT: *kafka-port
      KAFKA_BILL_PROCESSING_TOPIC: *kafka-bill-processing-topic

  gateway:
    build:
      context: projects/gateway
      target: dev
    container_name: gateway
    depends_on:
      - kafka-init
    develop:
      watch:
        - action: sync
          path: ./projects/gateway
          target: /app
          ignore:
            - node_modules/
        - action: rebuild
          path: package.json
    environment:
      <<: [*db-env, *aws-env]
      KAFKA_HOST: *kafka-host
      KAFKA_PORT: *kafka-port
      KAFKA_BILL_PROCESSING_TOPIC: *kafka-bill-processing-topic
      BILL_PROCESSOR_URL: *bill-processor-url
    ports:
      - "8080:8080"

  bill-processor:
    build:
      context: projects/bill-processor
    container_name: bill-processor
    develop:
      watch:
        - action: sync
          path: ./projects/bill-processor
          target: /usr/app
          ignore:
            - node_modules/
        - action: rebuild
          path: package.json
    environment:
      <<: *aws-env
      KAFKA_BILL_PROCESSING_TOPIC: *kafka-bill-processing-topic
    ports:
      - "9000:8080"

volumes:
  postgres_data: