docker-compose.yml

version: '3.9'

services:
  config-server:
    image: springcommunity/spring-petclinic-config-server
    container_name: config-server
    mem_limit: 512M
    ports:
     - 8888:8888

  discovery-server:
    image: springcommunity/spring-petclinic-discovery-server
    container_name: discovery-server
    mem_limit: 512M
    depends_on:
      - config-server
    entrypoint: ["./dockerize","-wait=tcp://config-server:8888","-timeout=60s","--","java", "org.springframework.boot.loader.JarLauncher"]
    ports:
     - 8761:8761

  zookeeper:
    image: wurstmeister/zookeeper
    container_name: zookeeper
    ports:
      - "2181:2181"

  kafka:
    image: wurstmeister/kafka
    hostname: kafka
    container_name: kafka
    depends_on:
      - zookeeper
    ports:
      - "9092:9092"
    environment:
      KAFKA_ADVERTISED_LISTENERS: INSIDE://:9093,OUTSIDE://localhost:9092
      KAFKA_LISTENERS: INSIDE://:9093,OUTSIDE://:9092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INSIDE:PLAINTEXT,OUTSIDE:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: INSIDE
      KAFKA_ADVERTISED_HOST_NAME: kafka
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_CREATE_TOPICS: "pg-traces-software:1:1, pg-traces-system:1:1"

  customers-service:
    image: springcommunity/spring-petclinic-customers-service
    container_name: customers-service
    mem_limit: 512M
    depends_on:
     - config-server
     - discovery-server
     - kafka
    entrypoint: ["./dockerize","-wait=tcp://discovery-server:8761","-timeout=60s","--","java", "org.springframework.boot.loader.JarLauncher"]
    ports:
    - 8081:8081
    environment:
      - SPRING_KAFKA_BOOTSTRAP-SERVERS=kafka:9093
      - SPRING_ZIPKIN_KAFKA_TOPIC=pg-traces-software

  visits-service:
    image: springcommunity/spring-petclinic-visits-service
    container_name: visits-service
    mem_limit: 512M
    depends_on:
     - config-server
     - discovery-server
     - kafka
    entrypoint: ["./dockerize","-wait=tcp://discovery-server:8761","-timeout=60s","--","java", "org.springframework.boot.loader.JarLauncher"]
    ports:
     - 8082:8082
    environment:
      - SPRING_KAFKA_BOOTSTRAP-SERVERS=kafka:9093
      - SPRING_ZIPKIN_KAFKA_TOPIC=pg-traces-software

  vets-service:
    image: springcommunity/spring-petclinic-vets-service
    container_name: vets-service
    mem_limit: 512M
    depends_on:
     - config-server
     - discovery-server
     - kafka
    entrypoint: ["./dockerize","-wait=tcp://discovery-server:8761","-timeout=60s","--","java", "org.springframework.boot.loader.JarLauncher"]
    ports:
     - 8083:8083
    environment:
      - SPRING_KAFKA_BOOTSTRAP-SERVERS=kafka:9093
      - SPRING_ZIPKIN_KAFKA_TOPIC=pg-traces-software

  api-gateway:
    image: springcommunity/spring-petclinic-api-gateway
    container_name: api-gateway
    mem_limit: 512M
    depends_on:
     - config-server
     - discovery-server
     - kafka
    entrypoint: ["./dockerize","-wait=tcp://discovery-server:8761","-timeout=60s","--","java", "org.springframework.boot.loader.JarLauncher"]
    ports:
     - 8080:8080
    environment:
      - SPRING_KAFKA_BOOTSTRAP-SERVERS=kafka:9093
      - SPRING_ZIPKIN_KAFKA_TOPIC=pg-traces-software

  tracing-server:
    image: openzipkin/zipkin
    container_name: tracing-server
    mem_limit: 512M
    depends_on:
      - kafka
    environment:
    - JAVA_OPTS=-XX:+UnlockExperimentalVMOptions -Djava.security.egd=file:/dev/./urandom
    - COLLECTOR_KAFKA_ENABLED=true
    - KAFKA_BOOTSTRAP_SERVERS=kafka:9093
    - KAFKA_TOPIC=pg-traces-software
    ports:
     - 9411:9411

  ## The docker host filesystem is mounted into the container because we are interested in the host's hardware stats,
  ## cf. https://github.com/influxdata/telegraf/blob/master/docs/FAQ.md#q-how-can-i-monitor-the-docker-engine-host-from-within-a-container

  telegraf:
    image: telegraf
    container_name: telegraf
    restart: on-failure
    depends_on:
      - kafka
    volumes:
      - ./telegraf.conf:/etc/telegraf/telegraf.conf:ro
      - /:/hostfs:ro
    environment:
      - HOST_ETC=/hostfs/etc
      - HOST_PROC=/hostfs/proc
      - HOST_SYS=/hostfs/sys
      - HOST_VAR=/hostfs/var
      - HOST_RUN=/hostfs/run
      - HOST_MOUNT_PREFIX=/hostfs

  # JMeter used for load testing the application

  jmeter:
    build: ./jmeter
    container_name: jmeter
    depends_on:
      - customers-service
      - visits-service
      - vets-service
      - api-gateway
    entrypoint: >
      bash -c "dockerize
      -wait=tcp://customers-service:8081 -timeout=300s
      -wait=tcp://visits-service:8082 -timeout=300s
      -wait=tcp://vets-service:8083 -timeout=300s
      /opt/apache-jmeter-5.4/code/entry.sh"
    volumes:
      - ./jmeter:/opt/apache-jmeter-5.4/code
    profiles: ["load-test"]


  admin-server:
    image: springcommunity/spring-petclinic-admin-server
    container_name: admin-server
    mem_limit: 512M
    depends_on:
     - config-server
     - discovery-server
    entrypoint: ["./dockerize","-wait=tcp://discovery-server:8761","-timeout=60s","--","java", "org.springframework.boot.loader.JarLauncher"]
    ports:
     - 9090:9090
    profiles: ["debug"]

  ## Grafana / Prometheus

  grafana-server:
    build: ./docker/grafana
    container_name: grafana-server
    mem_limit: 256M
    ports:
    - 3000:3000
    profiles: ["debug"]

  prometheus-server:
    build: ./docker/prometheus
    container_name: prometheus-server
    mem_limit: 256M
    ports:
    - 9091:9090
    profiles: ["debug"]

  ## Kafdrop

  kafdrop:
    image: obsidiandynamics/kafdrop
    restart: "no"
    ports:
      - 9000:9000
    environment:
      KAFKA_BROKERCONNECT: kafka:9093
      JVM_OPTS: "-Xms16M -Xmx48M -Xss180K -XX:-TieredCompilation -XX:+UseStringDeduplication -noverify"
    depends_on:
      - kafka
    profiles: ["debug"]