viaduck/docker-compose.yaml at main · PostHog/viaduck · GitHub

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services:
  # --- Infrastructure ---

  postgres-source:
    image: postgres:17
    hostname: postgres-source
    ports:
      - "127.0.0.1:5433:5432"
    environment:
      POSTGRES_USER: ducklake
      POSTGRES_PASSWORD: ducklake
      POSTGRES_DB: ducklake
    healthcheck:
      test: pg_isready -U ducklake -d ducklake
      interval: 2s
      timeout: 5s
      retries: 5
    tmpfs:
      - /var/lib/postgresql/data

  postgres-dest-1:
    image: postgres:17
    hostname: postgres-dest-1
    environment:
      POSTGRES_USER: ducklake
      POSTGRES_PASSWORD: ducklake
      POSTGRES_DB: ducklake
    healthcheck:
      test: pg_isready -U ducklake -d ducklake
      interval: 2s
      timeout: 5s
      retries: 5
    tmpfs:
      - /var/lib/postgresql/data

  postgres-dest-2:
    image: postgres:17
    hostname: postgres-dest-2
    environment:
      POSTGRES_USER: ducklake
      POSTGRES_PASSWORD: ducklake
      POSTGRES_DB: ducklake
    healthcheck:
      test: pg_isready -U ducklake -d ducklake
      interval: 2s
      timeout: 5s
      retries: 5
    tmpfs:
      - /var/lib/postgresql/data

  minio:
    image: minio/minio:latest
    hostname: minio
    ports:
      - "127.0.0.1:9000:9000"
      - "127.0.0.1:9001:9001"
    environment:
      MINIO_ROOT_USER: minioadmin
      MINIO_ROOT_PASSWORD: minioadmin
      MINIO_PROMETHEUS_AUTH_TYPE: public
    command: server /data --console-address ":9001"
    healthcheck:
      test: mc ready local
      interval: 2s
      timeout: 5s
      retries: 5

  minio-init:
    image: minio/mc:latest
    depends_on:
      minio:
        condition: service_healthy
    entrypoint: >
      /bin/sh -c "
      mc alias set local http://minio:9000 minioadmin minioadmin &&
      mc mb --ignore-existing local/source &&
      mc mb --ignore-existing local/dest-1 &&
      mc mb --ignore-existing local/dest-2
      "

  # --- Producer: writes sample events to source DuckLake ---

  producer:
    build:
      context: .
      dockerfile: Dockerfile
      args:
        VIADUCK_VERSION: "0.0.0.dev0"
    depends_on:
      postgres-source:
        condition: service_healthy
      minio-init:
        condition: service_completed_successfully
    entrypoint: python
    command: /app/test/producer.py
    environment:
      SOURCE_POSTGRES_URI: "postgres:host=postgres-source port=5432 user=ducklake password=ducklake dbname=ducklake"
      S3_ENDPOINT: minio:9000
      S3_ACCESS_KEY_ID: minioadmin
      S3_SECRET_ACCESS_KEY: minioadmin
      S3_USE_SSL: "false"
      S3_URL_STYLE: path
      S3_DATA_PATH: s3://source/
      BATCH_SIZE: "5"
      BATCH_INTERVAL: "2"
    healthcheck:
      test: ["CMD-SHELL", "true"]
      interval: 10s
    volumes:
      - ./test:/app/test:ro

  # --- Viaduck: CDC replication ---

  viaduck:
    build:
      context: .
      dockerfile: Dockerfile
      args:
        VIADUCK_VERSION: "0.0.0.dev0"
    depends_on:
      producer:
        condition: service_started
      postgres-dest-1:
        condition: service_healthy
      postgres-dest-2:
        condition: service_healthy
    ports:
      - "127.0.0.1:8000:8000"
    command: ["--config", "/app/test/viaduck-dev.yaml"]
    environment:
      SOURCE_POSTGRES_URI: "postgres:host=postgres-source port=5432 user=ducklake password=ducklake dbname=ducklake"
      DEST_1_POSTGRES_URI: "postgres:host=postgres-dest-1 port=5432 user=ducklake password=ducklake dbname=ducklake"
      DEST_2_POSTGRES_URI: "postgres:host=postgres-dest-2 port=5432 user=ducklake password=ducklake dbname=ducklake"
      S3_ACCESS_KEY_ID: minioadmin
      S3_SECRET_ACCESS_KEY: minioadmin
    volumes:
      - ./test:/app/test:ro

  # --- Metrics & Dashboarding ---

  prometheus:
    image: prom/prometheus:latest
    ports:
      - "127.0.0.1:9091:9090"
    configs:
      - source: prometheus-config
        target: /etc/prometheus/prometheus.yml

  grafana:
    image: grafana/grafana-oss:latest
    ports:
      - "127.0.0.1:3000:3000"
    environment:
      GF_AUTH_ANONYMOUS_ENABLED: "true"
      GF_AUTH_ANONYMOUS_ORG_ROLE: Admin
      GF_AUTH_DISABLE_LOGIN_FORM: "true"
    volumes:
      - ./grafana/dashboards:/var/lib/grafana/dashboards:ro
    configs:
      - source: grafana-datasource
        target: /etc/grafana/provisioning/datasources/prometheus.yaml
      - source: grafana-dashboard-provider
        target: /etc/grafana/provisioning/dashboards/viaduck.yaml

configs:
  grafana-datasource:
    content: |
      apiVersion: 1
      datasources:
        - name: Prometheus
          type: prometheus
          access: proxy
          url: http://prometheus:9090
          isDefault: true
  grafana-dashboard-provider:
    content: |
      apiVersion: 1
      providers:
        - name: viaduck
          type: file
          options:
            path: /var/lib/grafana/dashboards
  prometheus-config:
    content: |
      global:
        scrape_interval: 5s
      scrape_configs:
        - job_name: viaduck
          static_configs:
            - targets:
                - viaduck:8000
        - job_name: minio
          metrics_path: /minio/v2/metrics/cluster
          static_configs:
            - targets: ["minio:9000"]