docker-compose.constrained-benchmark.yml

services:
  # Mirrors the reported #521 stack: 2 vCPU / 2 GB RAM / no swap headroom,
  # Postgres + Redis co-located on the same constrained box. mem_limit ==
  # memswap_limit removes swap the same way `swapoff -a` did in the report.
  floppy:
    image: ${FLOPPY_BENCHMARK_IMAGE:-floppy:issue521-validation}
    mem_limit: 2g
    memswap_limit: 2g
    cpus: 2.0
    environment:
      SECRET: constrained-benchmark-only-secret
      REDIS_URL: redis://redis:6379
      DEBUG: "False"
      DEMO_ACCOUNT_ENABLED: "False"
      REGISTRATION: "False"
      DB_HOST: db
      DB_NAME: floppy
      DB_USER: floppy
      DB_PASSWORD: floppy
      DB_PORT: "5432"
    depends_on:
      redis:
        condition: service_started
      db:
        condition: service_healthy
    ports:
      - "18000:8000"

  db:
    image: postgres:16-alpine
    environment:
      POSTGRES_DB: floppy
      POSTGRES_USER: floppy
      POSTGRES_PASSWORD: floppy
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U floppy"]
      interval: 2s
      timeout: 3s
      retries: 30

  redis:
    image: redis:8-alpine
    # No --maxmemory here on purpose: the reporter's compose file didn't set
    # one either. The point of this run is to confirm redis_tuning.py applies
    # its own ceiling for a 2GB/no-swap host at Floppy startup.
    command: redis-server --appendonly yes