grpc_graphql_gateway 1.2.4

A Rust implementation of gRPC-GraphQL gateway - generates GraphQL execution code from gRPC services
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version: '3.8'

services:
  # User Subgraph
  user-subgraph:
    build:
      context: .
      dockerfile: Dockerfile
    image: grpc-graphql-gateway:latest
    container_name: user-subgraph
    command: ["federation"]
    ports:
      - "8891:8891"  # GraphQL HTTP
      - "50051:50051"  # gRPC
      - "9091:9090"    # Metrics
    environment:
      - RUST_LOG=info
      - SERVICE_NAME=user
      - PORT=8891
      - GRPC_PORT=50051
      - METRICS_PORT=9090
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8891/health"]
      interval: 10s
      timeout: 3s
      retries: 3
      start_period: 5s
    networks:
      - federation
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 512M
        reservations:
          cpus: '0.25'
          memory: 256M

  # Product Subgraph
  product-subgraph:
    build:
      context: .
      dockerfile: Dockerfile
    image: grpc-graphql-gateway:latest
    container_name: product-subgraph
    command: ["federation"]
    ports:
      - "8892:8892"  # GraphQL HTTP
      - "50052:50052"  # gRPC
      - "9092:9090"    # Metrics
    environment:
      - RUST_LOG=info
      - SERVICE_NAME=product
      - PORT=8892
      - GRPC_PORT=50052
      - METRICS_PORT=9090
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8892/health"]
      interval: 10s
      timeout: 3s
      retries: 3
      start_period: 5s
    networks:
      - federation
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 512M
        reservations:
          cpus: '0.25'
          memory: 256M

  # Review Subgraph
  review-subgraph:
    build:
      context: .
      dockerfile: Dockerfile
    image: grpc-graphql-gateway:latest
    container_name: review-subgraph
    command: ["federation"]
    ports:
      - "8893:8893"  # GraphQL HTTP
      - "50053:50053"  # gRPC
      - "9093:9090"    # Metrics
    environment:
      - RUST_LOG=info
      - SERVICE_NAME=review
      - PORT=8893
      - GRPC_PORT=50053
      - METRICS_PORT=9090
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8893/health"]
      interval: 10s
      timeout: 3s
      retries: 3
      start_period: 5s
    networks:
      - federation
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 512M
        reservations:
          cpus: '0.25'
          memory: 256M

  # Apollo Router
  apollo-router:
    image: ghcr.io/apollographql/router:v1.36.0
    container_name: apollo-router
    ports:
      - "4000:4000"  # GraphQL endpoint
      - "9090:9090"  # Metrics
    volumes:
      - ./examples/federation/supergraph.yaml:/etc/apollo/router.yaml:ro
      - ./examples/federation/supergraph.graphql:/etc/apollo/supergraph.graphql:ro
    environment:
      - APOLLO_ROUTER_CONFIG_PATH=/etc/apollo/router.yaml
      - APOLLO_ROUTER_SUPERGRAPH_PATH=/etc/apollo/supergraph.graphql
    depends_on:
      - user-subgraph
      - product-subgraph
      - review-subgraph
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:4000/health"]
      interval: 10s
      timeout: 3s
      retries: 3
      start_period: 10s
    networks:
      - federation
    deploy:
      resources:
        limits:
          cpus: '1.0'
          memory: 1G
        reservations:
          cpus: '0.5'
          memory: 512M

  # Redis (optional - for distributed caching)
  redis:
    image: redis:7-alpine
    container_name: federation-redis
    ports:
      - "6379:6379"
    command: redis-server --appendonly yes
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 3s
      retries: 3
    networks:
      - federation
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 256M
        reservations:
          cpus: '0.1'
          memory: 128M

  # Prometheus (optional - for metrics collection)
  prometheus:
    image: prom/prometheus:latest
    container_name: federation-prometheus
    ports:
      - "9090:9090"
    volumes:
      - ./helm/prometheus.yml:/etc/prometheus/prometheus.yml:ro
      - prometheus-data:/prometheus
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
      - '--storage.tsdb.path=/prometheus'
    networks:
      - federation
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 512M

networks:
  federation:
    driver: bridge

volumes:
  prometheus-data: