version: "3.8"

services:
  phoenix1:
    build:
      context: ./backend
      dockerfile: Dockerfile
    container_name: phoenix1
    hostname: phoenix1
    environment:
      - RELEASE_NODE=backend@phoenix1
      - RELEASE_DISTRIBUTION=sname
      - RELEASE_COOKIE=super_secret_cookie_change_in_production
      - PHX_HOST=localhost
      - PHX_SERVER=true
      - PORT=4000
      - DATABASE_URL=ecto://postgres:postgres@db/backend_dev
      - SECRET_KEY_BASE=W8nGKNhNR8vKj6A4VnwN5h5h7RZvkKmZPqxqzLzYxXGQqC6HnKp2Wm8MNqKpQxZv
      - CLUSTER_NODES=backend@phoenix1,backend@phoenix2,backend@phoenix3
      - OTEL_EXPORTER_OTLP_ENDPOINT=http://otel-collector:4318
    ports:
      - "4001:4000"
    healthcheck:
      test: ["CMD", "wget", "-qO-", "http://localhost:4000/api/health"]
      interval: 10s
      timeout: 5s
      retries: 5

  phoenix2:
    build:
      context: ./backend
      dockerfile: Dockerfile
    container_name: phoenix2
    hostname: phoenix2
    environment:
      - RELEASE_NODE=backend@phoenix2
      - RELEASE_DISTRIBUTION=sname
      - RELEASE_COOKIE=super_secret_cookie_change_in_production
      - PHX_HOST=localhost
      - PHX_SERVER=true
      - PORT=4000
      - DATABASE_URL=ecto://postgres:postgres@db/backend_dev
      - SECRET_KEY_BASE=W8nGKNhNR8vKj6A4VnwN5h5h7RZvkKmZPqxqzLzYxXGQqC6HnKp2Wm8MNqKpQxZv
      - CLUSTER_NODES=backend@phoenix1,backend@phoenix2,backend@phoenix3
      - OTEL_EXPORTER_OTLP_ENDPOINT=http://otel-collector:4318
    ports:
      - "4002:4000"
    healthcheck:
      test: ["CMD", "wget", "-qO-", "http://localhost:4000/api/health"]
      interval: 10s
      timeout: 5s
      retries: 5

  phoenix3:
    build:
      context: ./backend
      dockerfile: Dockerfile
    container_name: phoenix3
    hostname: phoenix3
    environment:
      - RELEASE_NODE=backend@phoenix3
      - RELEASE_DISTRIBUTION=sname
      - RELEASE_COOKIE=super_secret_cookie_change_in_production
      - PHX_HOST=localhost
      - PHX_SERVER=true
      - PORT=4000
      - DATABASE_URL=ecto://postgres:postgres@db/backend_dev
      - SECRET_KEY_BASE=W8nGKNhNR8vKj6A4VnwN5h5h7RZvkKmZPqxqzLzYxXGQqC6HnKp2Wm8MNqKpQxZv
      - CLUSTER_NODES=backend@phoenix1,backend@phoenix2,backend@phoenix3
      - OTEL_EXPORTER_OTLP_ENDPOINT=http://otel-collector:4318
    ports:
      - "4003:4000"
    healthcheck:
      test: ["CMD", "wget", "-qO-", "http://localhost:4000/api/health"]
      interval: 10s
      timeout: 5s
      retries: 5

  nginx-lb:
    image: nginx:alpine
    container_name: nginx-lb
    volumes:
      - ./nginx-lb.conf:/etc/nginx/conf.d/default.conf
    ports:
      - "4000:80"
    depends_on:
      - phoenix1
      - phoenix2
      - phoenix3

  client:
    build:
      context: ./client
      dockerfile: Dockerfile
    container_name: client
    ports:
      - "5173:80"
    depends_on:
      - nginx-lb

  otel-collector:
    image: otel/opentelemetry-collector-contrib:latest
    container_name: otel-collector
    command: ["--config=/etc/otel-collector-config.yaml"]
    volumes:
      - ./otel-collector-config.yaml:/etc/otel-collector-config.yaml
    ports:
      - "4318:4318" # OTLP HTTP receiver
      - "4317:4317" # OTLP gRPC receiver
      - "8888:8888" # Prometheus metrics
      - "8889:8889" # Prometheus exporter metrics