docker-compose.yml

# Docker-compose configuration to run tests

version: "3"

x-default-django:
  &default-django
  build:
    context: .
    args:
      TOOSIMPLEQ_DJ_VERSION: ${TOOSIMPLEQ_DJ_VERSION:-4.1}
      TOOSIMPLEQ_PY_VERSION: ${TOOSIMPLEQ_PY_VERSION:-3.11}
  depends_on:
    postgres:
      condition: service_healthy
    toxiproxy-config:
      condition: service_completed_successfully
  environment:
    TOOSIMPLEQ_TEST_DB: ${TOOSIMPLEQ_TEST_DB:-postgres}
    POSTGRES_HOST: postgres
    POSTGRES_PORT: 5432
    POSTGRES_HOST_WORKER: postgres-laggy
    POSTGRES_PORT_WORKER: 5433
  volumes:
    - .:/app

services:

  django:
    <<: *default-django
    command: runserver 0.0.0.0:8000
    ports:
      - 8000:8000

  worker:
    <<: *default-django
    command: worker --queue demo --verbosity 3

  postgres:
    image: postgres
    environment:
      POSTGRES_PASSWORD: postgres
    healthcheck:
      test: ["CMD", "bash", "-c", "pg_isready -U postgres"]
      interval: 5s
      retries: 6
      start_period: 1s
    ports:
      - 5432:5432

  postgres-laggy:
    image: ghcr.io/shopify/toxiproxy
    depends_on:
      postgres:
        condition: service_healthy
    environment:
      POSTGRES_PASSWORD: postgres
    ports:
      - 5433:5433

  toxiproxy-config:
    image: docker:cli
    depends_on:
      postgres-laggy:
        condition: service_started
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    command: |
      sh -c '
        docker exec django-toosimple-q-postgres-laggy-1 /toxiproxy-cli create -l 0.0.0.0:5433 -u postgres:5432 postgres
        docker exec django-toosimple-q-postgres-laggy-1 /toxiproxy-cli toxic add -t latency -n my_lag -a latency=100 -a jitter=5 postgres
      '