docker-compose.yaml

---
version: "3.9"

services:

  redpanda:
    image: docker.vectorized.io/vectorized/redpanda:v21.11.2
    command:
      - redpanda start
      - --overprovisioned
      - --smp 1
      - --memory 1G
      - --reserve-memory 0M
      - --node-id 0
      - --check=false
      - --kafka-addr 0.0.0.0:9092
      - --advertise-kafka-addr ${EXTERNAL_IP:-redpanda}:9092
      - --pandaproxy-addr 0.0.0.0:8082
      - --advertise-pandaproxy-addr ${EXTERNAL_IP:-redpanda}:8082
      - --set redpanda.enable_transactions=true
      - --set redpanda.enable_idempotence=true
    ports:
      - 9092:9092
      - 8081:8081
      - 8082:8082
    healthcheck: {test: curl -f localhost:9644/v1/status/ready, interval: 1s, start_period: 30s}

  datagen1:
    image: materialize/datagen:latest
    container_name: datagen1
    depends_on:
      - redpanda
    environment:
      KAFKA_BROKERS: redpanda:9092
    volumes:
      - ./schemas:/schemas
    entrypoint:
      datagen -s /schemas/schema.json -f json -n 10024 --record-size 1048576 -d
  datagen2:
    image: materialize/datagen:latest
    container_name: datagen2
    depends_on:
      - redpanda
    environment:
      KAFKA_BROKERS: redpanda:9092
    volumes:
      - ./schemas:/schemas
    entrypoint:
      datagen -s /schemas/schema.json -f json -n 10024 --record-size 1048576 -d
  datagen3:
    image: materialize/datagen:latest
    container_name: datagen3
    depends_on:
      - redpanda
    environment:
      KAFKA_BROKERS: redpanda:9092
    volumes:
      - ./schemas:/schemas
    entrypoint:
      datagen -s /schemas/schema.json -f json -n 10024 --record-size 1048576 -d