docker-compose.yml

version: "3.8"
services:
  zookeeper:
    image: confluentinc/cp-zookeeper:latest
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    ports:
      - 22181:2181

  kafka:
    image: confluentinc/cp-kafka:latest
    depends_on:
      - zookeeper
    ports:
      - 29092:29092
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:9092,PLAINTEXT_HOST://kafka:29092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1

  db:
    image: postgres:14.3-alpine
    restart: always
    environment:
      - POSTGRES_USER=postgres
      - POSTGRES_PASSWORD=postgres
    ports:
      - 5432:5432
    volumes:
      # Initialize tables: https://blog.devgenius.io/tips-and-tricks-to-using-postgresql-docker-image-80047673c9a5
      - ./init.sql:/docker-entrypoint-initdb.d/init.sql
      - db:/var/lib/postgresql/data

  ingress:
    build: ./ingress
    environment:
      - RUST_LOG=error
      - KAFKA_HOST=kafka
    ports:
      - 8000:8000
    depends_on:
      - kafka

  worker:
    build: ./worker
    environment:
      - RUST_LOG=error
      - KAFKA_HOST=kafka
      - DB_HOST=db
    depends_on:
      - kafka
      - db

volumes:
  db:
    driver: local