# Maintenance

## Database backups 

The [cookiecutter-api](https://github.com/papaemmelab/cookiecutter-api) comes with some handy utilities to manage postgres backups, that you can inspect in your project code directory (`compose/production/postgres/maintenance`):

**1. To create a backup:**

```bash
docker-compose -f <environment>.yml (exec |run --rm) postgres backup
```

**2. To list/view current backups:**

```bash
docker-compose -f <environment>.yml (exec |run --rm) postgres backups
```

**3. To restore a backup:**

```bash
docker-compose -f <environment>.yml (exec |run --rm) postgres restore
```

{% hint style="warning" %}
It's a good practice to run your `backup` script regularly. For example, adding it to a cron job that runs periodically (i.e. every month, or every week)
{% endhint %}

## Backup to Amazon S3

After this [commit](https://github.com/papaemmelab/cookiecutter-api/commit/c379dab5344491bceaebaa74257352edaec83f70) in `cookiecutter-api`, you can store backups in the cloud in Amazon S3.  \
\
You need to add these 3 environment variables in your `.envs/.production/.django` file:

```bash
export DJANGO_AWS_ACCESS_KEY_ID=
export DJANGO_AWS_SECRET_ACCESS_KEY=
export DJANGO_AWS_STORAGE_BUCKET_NAME=
```

**4. Upload recursively all the database backups to your AWS S3 bucket**

```bash
docker-compose -f production.yml run --rm awscli upload
```

**5. Download a specific backup to your instance docker volume**

```bash
docker-compose -f production.yml run --rm awscli download backup_2018_03_13T09_05_07.sql.gz
```

Learn more at [cookicutter-django docs](#backup-to-amazon-s3).


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