initail commit

.gitignore

+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+env.ini
+
+# Distribution / packaging
+.Python
+env/
+build/
+develop-eggs/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# Django stuff:
+*.log
+local_*.py
+
+# virtualenv
+.venv
+venv/
+ENV/

Dockerfile

+FROM python:3.6
+ENV PYTHONDONTWRITEBYTECODE 1
+ENV PYTHONUNBUFFERED 1
+ADD . /code
+COPY . /code
+WORKDIR /code
+RUN pip install -r requirements/local.txt
+EXPOSE 9080

README.md

+# This is the repository for the Main service API
+
+## Working With Multiple Settings Modules
+
+You have to pass which settings.py module you want to use in the command line:
+```
+python manage.py runserver
+```
\ No newline at end of file

api/admin.py

+from django.contrib import admin
+
+# Register your models here.

api/apps.py

+from django.apps import AppConfig
+
+
+class ApiConfig(AppConfig):
+    name = 'api'

api/migrations/0001_initial.py

+# Generated by Django 2.1.5 on 2019-01-11 16:21
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='APIEndpoint',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=200, unique=True)),
+                ('description', models.CharField(blank=True, max_length=255, null=True)),
+                ('http_method', models.CharField(max_length=100)),
+                ('endpoint_url', models.CharField(max_length=200)),
+                ('is_need_auth', models.BooleanField(default=False)),
+                ('is_active', models.BooleanField(default=True)),
+            ],
+            options={
+                'db_table': 'api_endpoints',
+            },
+        ),
+        migrations.CreateModel(
+            name='APIService',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=200, unique=True)),
+                ('base_url', models.CharField(max_length=200)),
+                ('service_url', models.CharField(max_length=200)),
+            ],
+            options={
+                'db_table': 'api_services',
+            },
+        ),
+        migrations.AddField(
+            model_name='apiendpoint',
+            name='service',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.DO_NOTHING, to='api.APIService'),
+        ),
+    ]

api/migrations/0002_auto_20190511_1315.py

+# Generated by Django 2.1.5 on 2019-05-11 13:15
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('api', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Application',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=200, unique=True)),
+                ('theme', models.IntegerField()),
+            ],
+            options={
+                'db_table': 'application',
+            },
+        ),
+        migrations.AddField(
+            model_name='apiservice',
+            name='application',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.DO_NOTHING, to='api.Application'),
+            preserve_default=False,
+        ),
+    ]

api/models.py

+from django.db import models
+
+
+class Application(models.Model):
+    name = models.CharField(max_length=200, unique=True)
+    theme = models.IntegerField()
+
+    def __str__(self):
+        return self.name
+
+    class Meta:
+        db_table = 'application'
+
+
+class APIService(models.Model):
+    name = models.CharField(max_length=200, unique=True)
+    base_url = models.CharField(max_length=200)
+    service_url = models.CharField(max_length=200)
+    application = models.ForeignKey(Application, on_delete=models.DO_NOTHING)
+
+    def __str__(self):
+        return self.name
+
+    class Meta:
+        db_table = 'api_services'
+
+
+class APIEndpoint(models.Model):
+    service = models.ForeignKey(APIService, on_delete=models.DO_NOTHING)
+    name = models.CharField(max_length=200, unique=True)
+    description = models.CharField(max_length=255, null=True, blank=True)
+    http_method = models.CharField(max_length=100)
+    endpoint_url = models.CharField(max_length=200)
+    is_need_auth = models.BooleanField(default=False)
+    is_active = models.BooleanField(default=True)
+
+    def __str__(self):
+        return self.name
+
+    class Meta:
+        db_table = 'api_endpoints'

api/serializers.py

+from rest_framework import serializers
+from .models import APIService, APIEndpoint, Application
+
+
+class ApplicationSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Application
+        fields = ("id", "name", "theme")
+
+
+class APIServiceSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = APIService
+        fields = ('id', 'name', 'base_url', 'service_url', 'application')
+
+
+class APIEndpointSerializer(serializers.ModelSerializer):
+    service_name = serializers.ReadOnlyField(source='service.name')
+
+    class Meta:
+        model = APIEndpoint
+        fields = (
+            'id', 'service', 'service_name', 'name', 'description',
+            'http_method', 'endpoint_url', 'is_need_auth', 'is_active'
+        )

api/tests.py

+from django.test import TestCase
+
+# Create your tests here.

api/urls.py

+from django.urls import path, include
+from rest_framework.routers import DefaultRouter, SimpleRouter
+from api.views import (
+    APIServiceViewSet, APIEndpointViewSet, ApplicationViewSet,
+    APIGatewayList, APIGatewaySlugDetail, APIGatewaySlugModelDetail
+)
+
+router = DefaultRouter()
+router.register(r'api-applications', ApplicationViewSet)
+router.register(r'api-services', APIServiceViewSet)
+router.register(r'api-endpoint', APIEndpointViewSet)
+
+urlpatterns = [
+    path('', include(router.urls)),
+    path('<str:service>/<str:endpoint_url>/', APIGatewayList.as_view()),
+    path('<str:service>/<str:endpoint_url>/<str:slug>/',
+         APIGatewaySlugDetail.as_view()),
+    path('<str:service>/<str:endpoint_url>/<str:slug>/<str:model>/',
+         APIGatewaySlugModelDetail.as_view()),
+]

api/utils.py

+import json
+import requests
+from django.conf import settings
+from django.http import Http404
+from rest_framework import status
+from django_filters import FilterSet
+from django_filters import rest_framework as filters
+from .models import APIEndpoint
+
+VALIDATE_TOKEN_URL = settings.VALIDATE_TOKEN_URL
+
+
+class APIEndpointFilter(FilterSet):
+    service = filters.CharFilter('service__name')
+
+    class Meta:
+        model = APIEndpoint
+        fields = ('service',)
+
+
+class Helper:
+
+    def __init__(self):
+        self._headers = {'Content-Type': 'application/json'}
+
+    def _response_data(self, data, status_code, headers):
+        return {
+            'data': data,
+            'status_code': status_code,
+            'headers': headers
+        }
+
+    def _request_method(self, request, final_endpoint, headers):
+        if request.method == 'GET':
+            req = requests.get(final_endpoint, headers=headers)
+            return self._response_data(req.json(),
+                                       req.status_code,
+                                       self._headers)
+        elif request.method == 'POST':
+            data = request.data
+            json_body = json.dumps(data)
+            req = requests.post(
+                final_endpoint,
+                data=json_body,
+                headers=headers
+            )
+            return self._response_data(req.json(),
+                                       req.status_code,
+                                       self._headers)
+        elif request.method == 'PUT':
+            data = request.data
+            json_body = json.dumps(data)
+            req = requests.put(
+                final_endpoint,
+                data=json_body,
+                headers=headers
+            )
+            return self._response_data(req.json(),
+                                       req.status_code,
+                                       self._headers)
+        elif request.method == 'PATCH':
+            data = request.data
+            json_body = json.dumps(data)
+            req = requests.patch(
+                final_endpoint,
+                data=json_body,
+                headers=headers
+            )
+            return self._response_data(req.json(),
+                                       req.status_code,
+                                       self._headers)
+        elif request.method == 'DELETE':
+            req = requests.delete(final_endpoint, headers=headers)
+            return self._response_data({'message': 'Deleted'},
+                                       req.status_code,
+                                       self._headers)
+
+    def get_endpoint(self, request, service, endpoint_url):
+        try:
+            endpoint = APIEndpoint.objects.select_related('service').get(
+                http_method=request.method,
+                service__name=service,
+                endpoint_url=endpoint_url,
+            )
+            if endpoint.is_active is True:
+                base_url = endpoint.service.base_url
+                full_path = request.get_full_path()
+                final_endpoint = f"{base_url}{full_path}"
+                if endpoint.is_need_auth is True:
+                    # redirect to authenticator service
+                    self._headers = {
+                        'Authorization': request.META['HTTP_AUTHORIZATION'],
+                        "endpoint": endpoint.endpoint_url
+                    }
+                    req = requests.post(VALIDATE_TOKEN_URL,
+                                        headers=self._headers)
+                    all_headers = {**req.headers, **self._headers}
+
+                    if req.status_code == 200:
+                        return self._request_method(request,
+                                                    final_endpoint,
+                                                    all_headers)
+                    return self._response_data({'message': 'Unauthorized'},
+                                               status.HTTP_401_UNAUTHORIZED,
+                                               self._headers)
+                else:
+                    return self._request_method(request, final_endpoint,
+                                                self._headers)
+            else:
+                return self._response_data({'message': 'Invalid'},
+                                           status.HTTP_500_INTERNAL_SERVER_ERROR,
+                                           self._headers)
+        except APIEndpoint.DoesNotExist:
+            raise Http404
+        except Exception as e:
+            return self._response_data({'message': str(e)},
+                                       status.HTTP_500_INTERNAL_SERVER_ERROR,
+                                       self._headers)

api/views.py

+from rest_framework import viewsets, status
+from rest_framework.views import APIView
+from rest_framework.decorators import action
+from rest_framework.response import Response
+from django_filters.rest_framework import DjangoFilterBackend
+from .models import APIService, APIEndpoint, Application
+from .serializers import (
+    APIServiceSerializer, APIEndpointSerializer, ApplicationSerializer
+)
+from .utils import APIEndpointFilter, Helper
+
+
+class ApplicationViewSet(viewsets.ModelViewSet):
+    http_method_names = [
+        'get', 'post', 'put', 'patch', 'head', 'options', 'trace'
+    ]
+    lookup_field = 'id'
+    queryset = Application.objects.all()
+    serializer_class = ApplicationSerializer
+
+    @action(methods=['GET'], detail=True)
+    def services(self, request, id=None):
+        app = self.get_object()
+        services = APIService.objects.filter(application=app)
+        serializer = APIServiceSerializer(services, many=True)
+        return Response(serializer.data, status=status.HTTP_200_OK)
+
+
+class APIServiceViewSet(viewsets.ModelViewSet):
+    http_method_names = [
+        'get', 'post', 'put', 'patch', 'head', 'options', 'trace'
+    ]
+    queryset = APIService.objects.all()
+    serializer_class = APIServiceSerializer
+    lookup_field = 'id'
+
+    @action(methods=["GET"], detail=True)
+    def endpoints(self, request, id=None):
+        service = self.get_object()
+        endpoints = APIEndpoint.objects.filter(service=service)
+        serializer = APIEndpointSerializer(endpoints, many=True)
+        return Response(serializer.data, status=status.HTTP_200_OK)
+
+
+class APIEndpointViewSet(viewsets.ModelViewSet):
+    http_method_names = [
+        'get', 'post', 'put', 'patch', 'head', 'options', 'trace'
+    ]
+    queryset = APIEndpoint.objects.all().order_by('service')
+    serializer_class = APIEndpointSerializer
+    lookup_field = 'id'
+    filter_backends = (DjangoFilterBackend, )
+    filter_class = APIEndpointFilter
+
+
+class APIGatewayList(APIView):
+
+    def _response(self, request, **kwargs):
+        service = kwargs.get('service')
+        endpoint_url = kwargs.get('endpoint_url')
+        api = Helper().get_endpoint(request, service, endpoint_url)
+        return Response(api['data'],
+                        status=api['status_code'],
+                        headers=api['headers'])
+
+    def get(self, request, format=None, **kwargs):
+        return self._response(request, **kwargs)
+
+    def post(self, request, format=None, **kwargs):
+        return self._response(request, **kwargs)
+
+    def delete(self, request, format=None, **kwargs):
+        return self._response(request, **kwargs)
+
+
+class APIGatewaySlugDetail(APIView):
+
+    def _response(self, request, **kwargs):
+        service = kwargs.get('service')
+        endpoint_url = kwargs.get('endpoint_url')
+        api = Helper().get_endpoint(
+            request, service, f"{endpoint_url}/slug")
+        return Response(api['data'],
+                        status=api['status_code'],
+                        headers=api['headers'])
+
+    def get(self, request, format=None, **kwargs):
+        return self._response(request, **kwargs)
+
+    def put(self, request, format=None, **kwargs):
+        return self._response(request, **kwargs)
+
+    def patch(self, request, format=None, **kwargs):
+        return self._response(request, **kwargs)
+
+    def delete(self, request, format=None, **kwargs):
+        return self._response(request, **kwargs)
+
+
+class APIGatewaySlugModelDetail(APIView):
+
+    def _response(self, request, **kwargs):
+        service = kwargs.get('service')
+        endpoint_url = kwargs.get('endpoint_url')
+        api = Helper().get_endpoint(
+            request, service, f"{endpoint_url}/slug/model")
+        return Response(api['data'],
+                        status=api['status_code'],
+                        headers=api['headers'])
+
+    def get(self, request, format=None, **kwargs):
+        return self._response(request, **kwargs)
+
+    def post(self, request, format=None, **kwargs):
+        return self._response(request, **kwargs)
+
+    def put(self, request, format=None, **kwargs):
+        return self._response(request, **kwargs)
+
+    def patch(self, request, format=None, **kwargs):
+        return self._response(request, **kwargs)
+
+    def delete(self, request, format=None, **kwargs):
+        return self._response(request, **kwargs)

config/old_settings.py

+"""
+Django settings for config project.
+
+Generated by 'django-admin startproject' using Django 2.1.5.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/2.1/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/2.1/ref/settings/
+"""
+
+import os
+
+# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
+BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/2.1/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = 'k1wlprswi7j14l9xtyvjem3!4!pj!dg=uig!1+520w-wfg(h99'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = []
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+]
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+ROOT_URLCONF = 'config.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'config.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/2.1/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/2.1/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/2.1/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+
+TIME_ZONE = 'UTC'
+
+USE_I18N = True
+
+USE_L10N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/2.1/howto/static-files/
+
+STATIC_URL = '/static/'

config/settings/base.py

+"""
+Django settings for config project.
+
+Generated by 'django-admin startproject' using Django 2.1.5.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/2.1/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/2.1/ref/settings/
+"""
+
+import os
+
+# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
+BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/2.1/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = 'k1wlprswi7j14l9xtyvjem3!4!pj!dg=uig!1+520w-wfg(h99'
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    # 'django.contrib.admin',
+    # 'django.contrib.auth',
+    'django.contrib.contenttypes',
+    # 'django.contrib.sessions',
+    # 'django.contrib.messages',
+    'django.contrib.staticfiles',
+
+    'corsheaders',
+    'django_filters',
+    'rest_framework',
+    'api',
+]
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    # 'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+    'corsheaders.middleware.CorsMiddleware',
+]
+
+ROOT_URLCONF = 'config.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'config.wsgi.application'
+
+# Password validation
+# https://docs.djangoproject.com/en/2.1/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/2.1/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+
+TIME_ZONE = 'Asia/Singapore'
+
+USE_I18N = True
+
+USE_L10N = True
+
+USE_TZ = False
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/2.1/howto/static-files/
+
+STATIC_URL = '/static/'
+
+
+# CORS Headers Settings
+# https://github.com/ottoyiu/django-cors-headers/
+
+CORS_ORIGIN_ALLOW_ALL = True

config/settings/local.py

+from .base import *
+import configparser
+
+DEBUG = True
+
+ALLOWED_HOSTS = ['*']
+
+INSTALLED_APPS += [
+    'rest_framework_swagger',
+]
+
+REST_FRAMEWORK = {
+    'EXCEPTION_HANDLER': 'rest_framework.views.exception_handler',
+    'UNAUTHENTICATED_USER': None,
+}
+
+config = configparser.ConfigParser()
+config.read('env.ini')
+
+DATABASES = {
+    'default': {
+        'ENGINE': config['LOCAL']['DATABASE_ENGINE'],
+        'NAME': config['LOCAL']['DATABASE_NAME'],
+        'USER': config['LOCAL']['DATABASE_USER'],
+        'PASSWORD': config['LOCAL']['DATABASE_PASSWORD'],
+        'HOST': config['LOCAL']['DATABASE_HOST'],
+        'PORT': config['LOCAL']['DATABASE_PORT'],
+    }
+}
+
+
+AUTHENTICATOR_IP = config['SERVICE']['AUTHENTICATOR_IP']
+AUTHENTICATOR_PATH = '/api/v1/authenticator'
+
+VALIDATE_TOKEN_URL = f'http://{AUTHENTICATOR_IP}{AUTHENTICATOR_PATH}/validate-token/'

config/settings/production.py

+from .base import *
+import configparser
+
+DEBUG = False
+
+ALLOWED_HOSTS = ['*']
+
+SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
+SECURE_SSL_REDIRECT = True
+SESSION_COOKIE_SECURE = True
+CSRF_COOKIE_SECURE = True
+
+REST_FRAMEWORK = {
+    'EXCEPTION_HANDLER': 'rest_framework.views.exception_handler',
+    'UNAUTHENTICATED_USER': None,
+    'DEFAULT_RENDERER_CLASSES': (
+        'rest_framework.renderers.JSONRenderer',
+    ),
+}
+
+config = configparser.ConfigParser()
+config.read('env.ini')
+
+DATABASES = {
+    'default': {
+        'ENGINE': config['PRODUCTION']['DATABASE_ENGINE'],
+        'NAME': config['PRODUCTION']['DATABASE_NAME'],
+        'USER': config['PRODUCTION']['DATABASE_USER'],
+        'PASSWORD': config['PRODUCTION']['DATABASE_PASSWORD'],
+        'HOST': config['PRODUCTION']['DATABASE_HOST'],
+        'PORT': config['PRODUCTION']['DATABASE_PORT'],
+    }
+}
+
+AUTHENTICATOR_IP = config['SERVICE']['AUTHENTICATOR_IP']
+AUTHENTICATOR_PATH = '/api/v1/authenticator'
+
+VALIDATE_TOKEN_URL = f'http://{AUTHENTICATOR_IP}{AUTHENTICATOR_PATH}/validate-token/'

config/settings/uat.py

+from .base import *
+import configparser
+
+DEBUG = True
+
+ALLOWED_HOSTS = ['*']
+
+INSTALLED_APPS += [
+    'rest_framework_swagger',
+]
+
+REST_FRAMEWORK = {
+    'EXCEPTION_HANDLER': 'rest_framework.views.exception_handler',
+    'UNAUTHENTICATED_USER': None,
+}
+
+config = configparser.ConfigParser()
+config.read('env.ini')
+
+DATABASES = {
+    'default': {
+        'ENGINE': config['UAT']['DATABASE_ENGINE'],
+        'NAME': config['UAT']['DATABASE_NAME'],
+        'USER': config['UAT']['DATABASE_USER'],
+        'PASSWORD': config['UAT']['DATABASE_PASSWORD'],
+        'HOST': config['UAT']['DATABASE_HOST'],
+        'PORT': config['UAT']['DATABASE_PORT'],
+    }
+}
+
+
+AUTHENTICATOR_IP = config['SERVICE']['AUTHENTICATOR_IP']
+AUTHENTICATOR_PATH = '/api/v1/authenticator'
+
+VALIDATE_TOKEN_URL = f'http://{AUTHENTICATOR_IP}{AUTHENTICATOR_PATH}/validate-token/'

config/urls.py

+"""config URL Configuration
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/2.1/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
+"""
+from django.urls import path, include
+from rest_framework_swagger.views import get_swagger_view
+
+swagger = get_swagger_view(title='API Main End Point')
+
+urlpatterns = [
+    path('docs/', swagger),
+    path('api/v1/', include('api.urls')),
+]

config/wsgi.py

+"""
+WSGI config for config project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/2.1/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'config.settings')
+
+application = get_wsgi_application()

docker-compose.yml

+version: '3'
+
+services:
+  main-service:
+    build: .
+    command: python manage.py runserver 0.0.0.0:8000
+    container_name: main-service
+    volumes:
+      - .:/code
+    ports:
+      - 9080:8000
\ No newline at end of file

env.template.ini

+[PRODUCTION]
+DATABASE_ENGINE = django.db.backends.mysql
+DATABASE_NAME = maindb
+DATABASE_USER = root
+DATABASE_PASSWORD = 
+DATABASE_HOST = 
+DATABASE_PORT = 
+
+[UAT]
+DATABASE_ENGINE = django.db.backends.mysql
+DATABASE_NAME = maindb
+DATABASE_USER = root
+DATABASE_PASSWORD = 
+DATABASE_HOST = 
+DATABASE_PORT =
+
+[LOCAL]
+DATABASE_ENGINE = django.db.backends.mysql
+DATABASE_NAME = maindb
+DATABASE_USER = root
+DATABASE_PASSWORD = 
+DATABASE_HOST = 
+DATABASE_PORT =
+
+[SETTINGS]
+CONFIG = config.settings.local
+
+[SERVICE]
+AUTHENTICATOR_IP = 10.0.75.1:8000

manage.py

+#!/usr/bin/env python
+import os
+import sys
+import configparser
+
+config = configparser.ConfigParser()
+config.read('env.ini')
+
+if __name__ == '__main__':
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', config['SETTINGS']['CONFIG'])
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)

requirements/local.txt

 certifi==2018.11.29