1.docker-compose.yaml

version: "3.9"
services:
  etcd1:
    image: patronitraining/patroni
    networks: [ postgresnetwork ]
    hostname: etcd1
    command: etcd
    environment:
      &etcd_env
      ETCD_NAME: etcd1
      ETCD_INITIAL_ADVERTISE_PEER_URLS: http://etcd1:2380
      ETCD_INITIAL_CLUSTER: etcd1=http://etcd1:2380,etcd2=http://etcd2:2380,etcd3=http://etcd3:2380
      ETCD_INITIAL_CLUSTER_STATE: new
      ETCD_INITIAL_CLUSTER_TOKEN: tutorial
      ETCD_LISTEN_PEER_URLS: http://0.0.0.0:2380
      ETCD_LISTEN_CLIENT_URLS: http://0.0.0.0:2379

  etcd2:
    image: patronitraining/patroni
    networks: [ postgresnetwork ]
    hostname: etcd2
    command: etcd
    environment:
      <<: *etcd_env
      ETCD_NAME: etcd2
      ETCD_INITIAL_ADVERTISE_PEER_URLS: http://etcd2:2380

  haproxy:
    image: patronitraining/patroni
    networks: [ postgresnetwork ]
    hostname: haproxy
    command: haproxy
    environment:
      &haproxy_env
      PATRONI_SCOPE: demo
      PATRONI_ETCD_HOSTS: "'etcd1:2379','etcd2:2379'"
      PATRONI_RESTAPI_USERNAME: admin
      PATRONI_RESTAPI_PASSWORD: admin
      ETCDCTL_ENDPOINTS: http://etcd1:2379,http://etcd2:2379
    ports:
      - 5000:5000
      - 5001:5001

  patroni1:
    image: patronitraining/patroni
    networks: [ postgresnetwork ]
    environment:
      &patroni_env
      <<: *haproxy_env
      PATRONI_NAME: patroni1
      PATRONI_SUPERUSER_USERNAME: postgres
      PATRONI_SUPERUSER_PASSWORD: postgres
      PATRONI_REPLICATION_USERNAME: replicator
      PATRONI_REPLICATION_PASSWORD: replicate
      PATRONI_admin_PASSWORD: admin
      PATRONI_admin_OPTIONS: createdb,createrole
    deploy:
      replicas: 1
      placement:
        max_replicas_per_node: 1
        constraints:
          - node.labels.service == patroni1

  patroni2:
    image: patronitraining/patroni
    networks: [ postgresnetwork ]
    hostname: patroni2
    environment:
      <<: *patroni_env
      PATRONI_NAME: patroni2
    deploy:
      replicas: 1
      placement:
        max_replicas_per_node: 1
        constraints:
          - node.labels.service == patroni2

  aerospikedb1:
    image: aerospike/aerospike-server
    networks:
      - aerospikenetwork
    deploy:
      replicas: 1
      placement:
        max_replicas_per_node: 1
        constraints:
          - node.labels.service == aerospike1
    command: [ "--config-file", "/run/secrets/aerospike.conf" ]
    secrets:
      - source: conffile1
        target: aerospike.conf
        mode: 440

  aerospikedb2:
    image: aerospike/aerospike-server
    networks:
      - aerospikenetwork
    deploy:
      replicas: 1
      placement:
        max_replicas_per_node: 1
        constraints:
          - node.labels.service == aerospike2
    command: [ "--config-file", "/run/secrets/aerospike.conf" ]
    secrets:
      - source: conffile2
        target: aerospike.conf
        mode: 440

  zookeeper:
    image: wurstmeister/zookeeper
    networks:
      - kafkanetwork

  kafka:
    image: wurstmeister/kafka:latest
    environment:
      HOSTNAME_COMMAND: "docker info | grep ^Name: | cut -d' ' -f 2"
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INSIDE:PLAINTEXT,OUTSIDE:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: INSIDE://:9092,OUTSIDE://_{HOSTNAME_COMMAND}:9094
      KAFKA_LISTENERS: INSIDE://:9092,OUTSIDE://:9094
      KAFKA_INTER_BROKER_LISTENER_NAME: INSIDE
      KAFKA_CREATE_TOPICS: "aggregates-events:2:1"
    deploy:
      replicas: 2
      placement:
        max_replicas_per_node: 1
        constraints:
          - node.labels.service == kafka

    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    networks:
      - kafkanetwork
    depends_on:
      - zookeeper

networks:
  aerospikenetwork:
    driver: overlay
    attachable: true
  kafkanetwork:
    driver: overlay
    attachable: true
  postgresnetwork:
    driver: overlay
    attachable: true

secrets:
  conffile1:
    file: ./services/aerospike/aerospike1.conf
  conffile2:
    file: ./services/aerospike/aerospike2.conf