docker-compose.test-and-stage.yml

version: '3.7'
# Данный файл предназначается для сборки и тестирования образов.

volumes:
  staticfiles:
    name: staticfiles-${CI_PIPELINE_ID}
    driver: local

networks:
  default:
    name: demo-${CI_PIPELINE_ID}

services:

  db:
    image: ${CI_REGISTRY_IMAGE}/db:dev
    build:
      context: ./psql
      target: dev
      args:
        BACKUP_DB_SERVER_IP: ${BACKUP_DB_SERVER_IP}
        BACKUP_DB_SERVER_PATH: ${BACKUP_DB_SERVER_PATH}
        BACKUP_DB_SERVER_USER: ${BACKUP_DB_SERVER_USER}
        BACKUP_DB_SERVER_PASSWORD: ${BACKUP_DB_SERVER_PASSWORD}
    container_name: db-${CI_PIPELINE_ID}
    # https://postgrespro.com/list/thread-id/2448119
    # https://medium.com/@tough_jonquil_dog_815/postgresql-no-space-left-on-device-a9c5c3b41cff
    shm_size: 128MB
    command: ["postgres"]

  # https://docs.gitlab.com/ce/ci/yaml/#special-yaml-features
  # https://yaml.org/refcard.html
  .common_backend_code: &common_backend_code
    image: ${CI_REGISTRY_IMAGE}/backend:${CI_COMMIT_REF_SLUG}
    restart: 'no'
    environment:
      - BACKEND_HOSTNAME=backend-${CI_PIPELINE_ID}
      - DB_HOST=db-${CI_PIPELINE_ID}
      - DB_PORT=5432
      - DB_USER
      - DB_PASSWORD
      - DEBUG=False
      - ALLOWED_WEB_HOST
      - NGINX_SERVER_HOSTNAME=${NGINX_SERVER_HOSTNAME}
      - SECRET_KEY
      - GUNICORN_WORKERS_NUM=${GUNICORN_WORKERS_NUM:-2}
    depends_on:
      - db

  backend: &common_backend_run
    <<: *common_backend_code
    build:
      context: .
      dockerfile: Dockerfile.backend
      target: backend
    container_name: backend-${CI_PIPELINE_ID}
    # http://docs.gunicorn.org/en/stable/design.html
    command: gunicorn --access-logfile - src.core.wsgi:application --timeout 180 --workers=${GUNICORN_WORKERS_NUM:-2} -b 0.0.0.0:8000
    expose:
      - 8000
    volumes:
      - staticfiles:/app/static

  backend-test:
    <<: *common_backend_run
    build:
      context: .
      dockerfile: Dockerfile.backend
      target: backend
    container_name: backend-${CI_PIPELINE_ID}
    entrypoint: /app/scripts/tests.sh
    environment:
      - BACKEND_HOSTNAME=backend-${CI_PIPELINE_ID}
      - DB_HOST=db-${CI_PIPELINE_ID}
      - DB_PORT=5432
      - DB_USER
      - DB_PASSWORD
      - SECRET_KEY
      - DEBUG=False
      - ALLOWED_WEB_HOST=backend-${CI_PIPELINE_ID}
      - NGINX_SERVER_HOSTNAME=${NGINX_SERVER_HOSTNAME:-localhost}
    command: echo -e "\e[96mTests finished\e[0m"
    volumes:
      # подмонтирование данной папки необходимо, чтобы вытащить скриншоты из контейнера
      # TODO: Периодически чистить папку от старых веток
      - /srv/gitlab-runner/jobs/${CI_COMMIT_REF_SLUG}/test-logs/:/app/test-logs/
      - staticfiles:/app/static

  proxy:
    image: ${CI_REGISTRY_IMAGE}/proxy:latest
    build: ./nginx
    restart: 'no'
    environment:
      - ALLOWED_WEB_HOST=${ALLOWED_WEB_HOST}
      - STAGING_ALLOWED_WEB_HOST=${STAGING_ALLOWED_WEB_HOST}
      - NGINX_BACKEND_CONTAINER_NAME=backend-${CI_PIPELINE_ID}
      - NGINX_SERVER_HOSTNAME=${NGINX_SERVER_HOSTNAME:-localhost}
      - NGINX_ACCESS_LOG_SETTINGS=${NGINX_ACCESS_LOG_SETTINGS}
    labels:
      # Инфу по конфигурации traefik смотреть в проекте инфраструктуры
      - "traefik.enable=true"
      - "traefik.http.routers.route-to-${CI_COMMIT_REF_SLUG}.entrypoints=web-secure"
      - "traefik.http.routers.route-to-${CI_COMMIT_REF_SLUG}.rule=Host(`${NGINX_SERVER_HOSTNAME}`)"
      - "traefik.http.routers.route-to-${CI_COMMIT_REF_SLUG}.service=${CI_COMMIT_REF_SLUG}"
      # https://docs.traefik.io/middlewares/overview/#provider-namespace
      - "traefik.http.routers.route-to-${CI_COMMIT_REF_SLUG}.middlewares=security-headers@file"
      - "traefik.http.routers.route-to-${CI_COMMIT_REF_SLUG}.tls.options=default"
      - "traefik.http.services.${CI_COMMIT_REF_SLUG}.loadbalancer.passHostHeader=true"
    ports:
    # https://docs.docker.com/compose/compose-file/#ports
    # https://stackoverflow.com/questions/42482278/bash-command-to-return-a-free-port
      - ${STAGING_ALLOWED_WEB_HOST}:0:80
    container_name: proxy-${CI_PIPELINE_ID}
    command: /bin/bash -c "envsubst '$${NGINX_BACKEND_CONTAINER_NAME},$${NGINX_SERVER_HOSTNAME},$${NGINX_ACCESS_LOG_SETTINGS}' < /etc/nginx/demo.nginx > /etc/nginx/nginx.conf && exec nginx -g 'daemon off;'"
    volumes:
      - staticfiles:/static
    depends_on:
      - backend