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A smart service catalogue providing an overview of your services' development and operations.

Python: 3.8 Code style: black Release

Service Detail

What Where
Discussion #the-zoo on Discord
Maintainer Alex Viscreanu

What is The Zoo

A microservice catalogue that allows performing static code checks and integrates with third party services like Sentry, Datadog or Pingdom.

On top of that we have built a configurable static code analysis module that allows writing your own code checks and The Zoo will keep track of the evolution of those issues. The checks can also be integrated in CI so it can show how the Pull Request affects the status of the issues.

The Zoo also provides analytics about how dependency usage and its versions evolve.


Initial setup

  • Create a database: $ make migrate
  • Create a superuser and fake data: $ make fake
  • Create .env file as documented below

How to run

  • Run in debug mode: $ make run
  • Stop: $ make stop
  • Stop and/or delete data: $ make destroy
  • Django shell: $ make shell
  • Containers logs: $ docker-compose logs
  • Generate fake data + superuser $ make fake

Access web locally:

Database changes

  • Generate database migrations: $ make makemigrations
  • Update the database when needed: $ make migrate


Check Makefile for shell commands if you want to run them with modified parameters.

Local .env file

Creating a local .env file (see Docker docs on .env files) is necessary for some components in the app to work correctly, a basic example of such file contains the following:


Version control tokens only need read access to repositories.

For local setup of gitlab auth check here


Run all tests: $ make test

Tests are run by tox. In order to run only unit tests or a specific test file you need to use the pytest binary from the .tox/tests/bin/ folder. This folder will be created after running tests for the first time.

Testing requirements

PostgreSQL is needed for running the integration tests, you can install it by running brew install postgres

Note that this includes running dockerfile_lint and remark, which you can get with npm install -g dockerfile_lint remark-cli.

Also note that tox doesn't know when you change the requirements.txt and won't automatically install new dependencies for test runs. Run pip install tox-battery to install a plugin which fixes this silliness.

If you want to pass some env vars to environment, you can list them in env var TOX_TESTENV_PASSENV. For example if you want to use custom database for tests, you can run: TEST_DATABASE_URL=postgres://... TOX_TESTENV_PASSENV=TEST_DATABASE_URL tox

Configuration for repositories

Repositories scanned by the Zoo may contain the .zoo.yml file. This file contains additional information about the scanned repository and how and where it's used in production. If the Zoo finds this file in the root of the project, it will read it and create a Service or a Library within the Zoo with the provided information based on the collected data automatically. Otherwise the data have to be added to the Zoo manually.

Here is an example of this file:

type: service
name: hello-world-service
owner: booking
impact: profit
status: beta
docs_url: ''
slack_channel: ''
sentry_project: ''
sonarqube_project: hello-world-service
pagerduty_url: ''
    - tag1
    - tag2
    - tag3
        name: staging
        dashboard_url: ''
            - ''
        health_check_url: ''
        name: production
        dashboard_url: ''
            - ''
        health_check_url: ''

Full schema for this file can be found in


Architecture Decision Records

We document architecture decisions like it's described in this article.

Records are in dir adr. We are using ADR Tools for working with them.

Documentation for users

We use Sphinx for generating documentation. Docs are in dir docs.

Setup virtual enviroment and install there docs-requirements.txt. Then you can use shortcuts:

  • Build docs: $ make build-docs
  • Open docs: $ make open-docs