CredSim/docker-compose.yml at main · DefinitelyMrityunjay/CredSim · GitHub

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# VaultSim Docker Compose — Phase 4+
#
# Starts all infrastructure services with a single `docker-compose up`:
#   zookeeper    — Kafka coordination (required by Kafka)
#   kafka        — Apache Kafka broker (port 9092 on host)
#   timescaledb  — PostgreSQL + TimescaleDB extension (port 5432 on host)
#   kafka-ui     — Kafka inspection UI (port 8080 on host)
#
# The simulation and API processes run outside Docker (on the host) and
# connect via localhost ports. This keeps the dev loop fast (no container
# rebuild for Python changes) while keeping infrastructure managed.
#
# Phase 5+ adds the FastAPI service to this file.

version: '3.8'

services:

  # ---------------------------------------------------------------------------
  # Zookeeper — required by Kafka for broker coordination.
  # ---------------------------------------------------------------------------
  zookeeper:
    image: confluentinc/cp-zookeeper:7.6.0
    hostname: zookeeper
    container_name: vaultsim-zookeeper
    ports:
      - "2181:2181"
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    healthcheck:
      test: ["CMD", "bash", "-c", "echo srvr | nc localhost 2181 | grep -q Mode"]
      interval: 10s
      timeout: 5s
      retries: 5

  # ---------------------------------------------------------------------------
  # Kafka — single-broker dev setup.
  # PLAINTEXT_HOST listener on localhost:9092 lets Python processes on the host
  # produce and consume. PLAINTEXT on kafka:29092 is for internal container use.
  # ---------------------------------------------------------------------------
  kafka:
    image: confluentinc/cp-kafka:7.6.0
    hostname: kafka
    container_name: vaultsim-kafka
    depends_on:
      zookeeper:
        condition: service_healthy
    ports:
      - "9092:9092"
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: "zookeeper:2181"
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:29092,PLAINTEXT_HOST://localhost:9092
      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
      KAFKA_AUTO_CREATE_TOPICS_ENABLE: "true"
      KAFKA_NUM_PARTITIONS: 3
      KAFKA_LOG_RETENTION_HOURS: 168
    healthcheck:
      test: ["CMD", "bash", "-c", "kafka-broker-api-versions --bootstrap-server localhost:9092 > /dev/null 2>&1"]
      interval: 15s
      timeout: 10s
      retries: 10
      start_period: 20s

  # ---------------------------------------------------------------------------
  # TimescaleDB — PostgreSQL 16 with time-series optimisation.
  # init.sql runs automatically on first start via initdb.d/.
  # ---------------------------------------------------------------------------
  timescaledb:
    image: timescale/timescaledb:latest-pg16
    hostname: timescaledb
    container_name: vaultsim-timescaledb
    ports:
      - "5432:5432"
    environment:
      POSTGRES_USER: vaultsim
      POSTGRES_PASSWORD: vaultsim_dev
      POSTGRES_DB: vaultsim
    volumes:
      - timescale_data:/var/lib/postgresql/data
      - ./api/db/init.sql:/docker-entrypoint-initdb.d/init.sql
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U vaultsim -d vaultsim"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 15s

  # ---------------------------------------------------------------------------
  # Kafka UI — browser-based Kafka inspection at http://localhost:8080
  # Great for verifying messages are flowing during a demo.
  # ---------------------------------------------------------------------------
  kafka-ui:
    image: provectuslabs/kafka-ui:latest
    container_name: vaultsim-kafka-ui
    depends_on:
      kafka:
        condition: service_healthy
    ports:
      - "8080:8080"
    environment:
      KAFKA_CLUSTERS_0_NAME: vaultsim
      KAFKA_CLUSTERS_0_BOOTSTRAPSERVERS: kafka:29092
      KAFKA_CLUSTERS_0_ZOOKEEPER: zookeeper:2181
      DYNAMIC_CONFIG_ENABLED: "true"

volumes:
  timescale_data:
    driver: local