Clean Architecture in Python/

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Application Configuration and Integration Tests

Application Configuration and Integration Tests

Let’s learn how to configure the application and perform integration tests.

We'll cover the following...

Application configuration

Docker Compose, the testing framework, and the application itself are configured through a single JSON file that we need to update with the actual values we want to use for MongoDB.

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[
  {
    "name": "FLASK_ENV",
    "value": "production"
  },
  {
    "name": "FLASK_CONFIG",
    "value": "testing"
  },
  {
    "name": "POSTGRES_DB",
    "value": "postgres"
  },
  {
    "name": "POSTGRES_USER",
    "value": "postgres"
  },
  {
    "name": "POSTGRES_HOSTNAME",
    "value": "localhost"
  },
  {
    "name": "POSTGRES_PORT",
    "value": "5433"
  },
  {
    "name": "POSTGRES_PASSWORD",
    "value": "postgres"
  },
  {
    "name": "MONGODB_USER",
    "value": "root"
  },
  {
    "name": "MONGODB_HOSTNAME",
    "value": "localhost"
  },
  {
    "name": "MONGODB_PORT",
    "value": "27018"
  },
  {
    "name": "MONGODB_PASSWORD",
    "value": "mongodb"
  },
  {
    "name": "APPLICATION_DB",
    "value": "test"
  }
]

Since the standard port for MongoDB is 27017, we choose 27018 for the tests in our example. In a real scenario, ...