compose.yaml

services:
  mongo:
    image: mongo:latest
    ports:
      - 27017:27017
    volumes:
      - mongo_data:/data/db
    command: ["mongod", "--replSet", "rs0", "--bind_ip_all"]

  setup-mongo-replica:
    image: mongo:latest
    depends_on:
      - mongo
    entrypoint: >
      sh -c "
      until mongosh --eval 'print(1)' &>/dev/null; do
        sleep 1
      done;
      mongosh --eval '
      rs.initiate({
        _id: \"rs0\",
        members: [{ _id: 0, host: \"mongodb:27017\" }]
      })'"

  pubsub-emulator:
    image: gcr.io/google.com/cloudsdktool/cloud-sdk:455.0.0-emulators
    command: >
      gcloud beta emulators pubsub start --project=dummy-project --host-port=0.0.0.0:8085 --quiet
    environment: # TODO: use environment variables
      PUBSUB_PROJECT_ID: "dummy-project"
      PUBSUB_EMULATOR_HOST: "localhost:8085"
      PUBSUB_TOPIC_ID: "dymmy-topic"
    ports:
      - "8085:8085"
    entrypoint: /bin/bash

  setup-pubsub-emulator:
    image: gcr.io/google.com/cloudsdktool/cloud-sdk:455.0.0-emulators
    depends_on:
      - pubsub-emulator
    environment:
      PUBSUB_EMULATOR_HOST: "pubsub-emulator:8085"
    command: |
      bash -c "
        until curl -X GET \"http://pubsub-emulator:8085\"; do
          sleep 1
        done
        curl -X PUT "http://pubsub-emulator:8085/v1/projects/dummy-project/topics/dummy-topic"
      "

  mongo-streamer:
    build:
      context: .
    restart: always
    depends_on:
      - setup-mongo-replica
      - setup-pubsub-emulator
    ports:
      - "8080:8080"
    develop:
      watch:
        - action: rebuild
          path: .
          ignore:
            - .git
            - .gitignore
            - README.md
            - ./bin
            - ./monitors
    environment:
      MONGO_DB_URI: "mongodb://mongo:27017/test?tls=false&directConnection=true&retryWrites=false&replicaSet=rs0"
      MONGO_DB_COLLECTION: tweets
      MONGO_DB_DATABASE: test
      METRICS_ADDR: :8080
      PUBSUB_PROJECT_ID: "dummy-project"
      PUBSUB_TOPIC_ID: "dummy-topic"
      PUBSUB_EMULATOR_HOST: "pubsub-emulator:8085"
      PUBSUB_PUBLISH_FORMAT: "json"

  prometheus:
    image: prom/prometheus
    ports:
      - "9090:9090"
    volumes:
      - ./monitors/prometheus/prometheus.yaml:/etc/prometheus/prometheus.yaml
      - prometheus_data:/prometheus
    command: "--config.file=/etc/prometheus/prometheus.yaml"
    restart: always

  grafana:
    image: grafana/grafana
    depends_on:
      - prometheus
    volumes:
      - ./monitors/grafana/dashboards:/var/lib/grafana/dashboards
      - ./monitors/grafana/dashboard.yaml:/etc/grafana/provisioning/dashboards/dashboard.yaml
      - ./monitors/grafana/datasource.yaml:/etc/grafana/provisioning/datasources/datasource.yaml
      - grafana_data:/var/lib/grafana
    ports:
      - "3000:3000"
    restart: always

volumes:
  mongo_data:
  prometheus_data:
  grafana_data: