#Como Hay

Development deployment

docker-compose up  --build

Production Deployment

For production deployment a new file named .env.prod should be created containing the production environment variables like:

DEBUG=0
SECRET_KEY='very_secret_unique_key'
DJANGO_ALLOWED_HOSTS=localhost 127.0.0.1 [::1]

DATABASE=postgres
SQL_ENGINE=django.db.backends.postgresql
SQL_DATABASE=comohay_prod
SQL_USER=comohay
SQL_PASSWORD=comohay
SQL_HOST=db
SQL_PORT=5432

POSTGRES_USER=comohay
POSTGRES_PASSWORD=comohay
POSTGRES_DB=comohay_prod

Once the production environment variables are defined, the application can be started using:

docker-compose -f docker-compose.prod.yml up --build

Preparing Solr

Building the configuration schema and reloading the precreated core in docker-compose

docker-compose exec web python manage.py build_solr_schema --configure-directory=solr_data/ads/conf --reload-core ads

Building Solr index. This may take a while depending on the amount of data

docker-compose exec web python manage.py rebuild_index

If, for some reason, you need to recreate the index from scratch, it is necessary to clean the docker named volumes

 docker-compose down -v

Re-init redis cache at pos 0 and 1

 docker-compose -f docker-compose.prod.yml exec redis redis-cli -n 0 flushdb; docker-compose -f docker-compose.prod.yml exec redis redis-cli -n 1 flushdb

Development

for development proposes is convenient to create a new comohay/settings_local.py file. In this file you can override default settings or define new ones.

Scheduled tasks

By default, ComoHay defines scheduled tasks for crawling and indexing. In the development environment you may want to avoid the tasks execution. For this you can override the CELERY_BEAT_SCHEDULE variable including it in comohay/settings_local.py:

  CELERY_BEAT_SCHEDULE = {}

Caching

ComoHay uses caching by default. For development proposes you may want to disable the caching using the Django DummyCache. For this, you can override the CACHES setting in comohay/settings_local.py:

CACHES = {
    "default": {
        'BACKEND': 'django.core.cache.backends.dummy.DummyCache',
    },
    "search": {
        'BACKEND': 'django.core.cache.backends.dummy.DummyCache',
    }
}

Clear cache

Someties when deployed is needed to flush old redis app cache, the command required is

docker-compose.prod.yml exec redis redis-cli flushall

Api credentials for the telegram bot

• https://github.com/telegramdesktop/tdesktop/blob/dev/docs/api_credentials.md