init

docker-compose.yml

@@ -3,22 +3,52 @@ version: '3.6'
 services:
 
   web:
-    build: .
-    ports:
-      - 5001:5000
+    build:
+      context: ./services/web
+      dockerfile: Dockerfile
+    expose:
+      - 5000
     environment:
       - FLASK_ENV=production
-      - APP_SETTINGS=project.config.DevelopmentConfig
-      - DATABASE_URL=postgres://postgres:postgres@db:5432/users
+      - APP_SETTINGS=project.config.ProductionConfig
+      - DB_USER=postgres
+      - DB_PASSWORD=postgres
+      - SECRET_CODE=myprecious
     depends_on:
       - db
+    networks:
+      - app
 
   db:
     build:
-      context: ./project/db
+      context: ./services/db
       dockerfile: Dockerfile
+    volumes:
+      - data-volume:/var/lib/postgresql/data
     expose:
       - 5432
     environment:
       - POSTGRES_USER=postgres
       - POSTGRES_PASSWORD=postgres
+    networks:
+      - app
+
+  nginx:
+    build:
+      context: ./services/nginx
+      dockerfile: Dockerfile
+    restart: always
+    ports:
+      - 80:80
+    depends_on:
+      - web
+    networks:
+      - app
+
+networks:
+  app:
+    driver: bridge
+
+volumes:
+  data-volume:
+    driver: local

project/api/users.py

@@ -1,28 +0,0 @@
-import os
-
-from flask import Blueprint, jsonify, request
-
-from project.api.models import User
-
-
-users_blueprint = Blueprint('users', __name__, template_folder='./templates')
-
-
-@users_blueprint.route('/users/ping', methods=['GET'])
-def ping_pong():
-    return jsonify({
-        'status': 'success',
-        'message': 'pong!',
-        'container_id': os.uname()[1]
-    })
-
-
-@users_blueprint.route('/users', methods=['GET'])
-def get_all_users():
-    """Get all users"""
-    response_object = {
-        'status': 'success',
-        'users': [user.to_json() for user in User.query.all()],
-        'container_id': os.uname()[1]
-    }
-    return jsonify(response_object), 200

project/config.py

@@ -1,7 +0,0 @@
-import os
-
-
-class DevelopmentConfig():
-    """Development configuration"""
-    SQLALCHEMY_TRACK_MODIFICATIONS = False
-    SQLALCHEMY_DATABASE_URI = os.environ.get('DATABASE_URL')

services/nginx/Dockerfile

@@ -0,0 +1,4 @@
+FROM nginx:1.15.0-alpine
+
+RUN rm /etc/nginx/conf.d/default.conf
+COPY /prod.conf /etc/nginx/conf.d

services/nginx/prod.conf

@@ -0,0 +1,14 @@
+server {
+
+  listen 80;
+
+  location / {
+    proxy_pass        http://web:5000;
+    proxy_redirect    default;
+    proxy_set_header  Host $host;
+    proxy_set_header  X-Real-IP $remote_addr;
+    proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header  X-Forwarded-Host $server_name;
+  }
+
+}

services/web/Dockerfile

@@ -44,4 +44,4 @@ RUN chown -R app:app $APP_HOME
 USER app
 
 # run server
-CMD gunicorn -b 0.0.0.0:5000 manage:app
+CMD gunicorn --log-level=debug -b 0.0.0.0:5000 manage:app

services/web/project/__init__.py

@@ -24,6 +24,8 @@ def create_app(script_info=None):
     migrate.init_app(app, db)
 
     # register blueprints
+    from project.api.main import main_blueprint
+    app.register_blueprint(main_blueprint)
     from project.api.users import users_blueprint
     app.register_blueprint(users_blueprint)
 

services/web/project/api/main.py

@@ -0,0 +1,33 @@
+import os
+import logging
+
+from flask import Blueprint, jsonify, request
+
+
+LOGGER = logging.getLogger('gunicorn.error')
+SECRET_CODE = os.environ.get('SECRET_CODE')
+
+main_blueprint = Blueprint('main', __name__)
+
+
+@main_blueprint.route('/ping', methods=['GET'])
+def ping_pong():
+    LOGGER.info('Hitting the "/ping" route')
+    return jsonify({
+        'status': 'success',
+        'message': 'pong!',
+        'container_id': os.uname()[1]
+    })
+
+
+@main_blueprint.route('/secret', methods=['POST'])
+def secret():
+    LOGGER.info('Hitting the "/secret" route')
+    response_object = {
+        'status': 'success',
+        'message': 'nay!',
+        'container_id': os.uname()[1]
+    }
+    if request.get_json().get('secret') == SECRET_CODE:
+        response_object['message'] = 'yay!'
+    return jsonify(response_object)

services/web/project/api/models.py

@@ -1,5 +1,3 @@
-from flask import current_app
-
 from project import db
 
 

services/web/project/api/users.py

@@ -0,0 +1,22 @@
+import os
+import logging
+
+from flask import Blueprint, jsonify
+
+from project.api.models import User
+
+
+users_blueprint = Blueprint('users', __name__)
+
+LOGGER = logging.getLogger('gunicorn.error')
+
+
+@users_blueprint.route('/users', methods=['GET'])
+def get_all_users():
+    LOGGER.info('Hitting the "/users" route')
+    response_object = {
+        'status': 'success',
+        'users': [user.to_json() for user in User.query.all()],
+        'container_id': os.uname()[1]
+    }
+    return jsonify(response_object), 200

services/web/project/config.py

@@ -0,0 +1,10 @@
+import os
+
+USER = os.environ.get('DB_USER')
+PASSWORD = os.environ.get('DB_PASSWORD')
+
+
+class ProductionConfig():
+    """Production configuration"""
+    SQLALCHEMY_TRACK_MODIFICATIONS = False
+    SQLALCHEMY_DATABASE_URI = f'postgres://{USER}:{PASSWORD}@db:5432/users'