solving mongodb connection problem

Author: radikkaviev

.gitignore

@@ -50,7 +50,7 @@ nosetests.xml
 coverage.xml
 
 # MongoDB data
-db_data
+mongodbdata
 
 # Nginx
 logs

docker-compose.yml

@@ -4,30 +4,43 @@
 version: '3.5'
 
 services:
-  db:
+  mongodb:
     image: mongo:4.0.13
     container_name: mongodb
     hostname: db
     volumes:
-      - ./db_data:/data/db
+      - ./mongodbdata:/data/db
+      - "$PWD/mongo-entrypoint/:/docker-entrypoint-initdb.d/"
+    command: mongod
     restart: always
     ports:
       - "27017:27017"
     environment:
       MONGO_INITDB_ROOT_USERNAME: root
       MONGO_INITDB_ROOT_PASSWORD: password
+      MONGO_INITDB_DATABASE: flaskdb
+      MONGODB_DATA_DIR: /data/db
+      MONDODB_LOG_DIR: /dev/null
     networks:
       services-network:
         aliases:
-          - db
+          - mongodb
 
   flask-app:
     container_name: flask-app
     hostname: flask
+    environment:
+      APP_ENV: "prod"
+      APP_DEBUG: "False"
+      APP_PORT: 5000
+      MONGODB_DATABASE: flaskdb
+      MONGODB_USERNAME: root
+      MONGODB_PASSWORD: password
+      MONGODB_HOSTNAME: mongodb
     depends_on:
-      - db
+      - mongodb
     links:
-      - db:db
+      - mongodb:mongodb
     build:
       context: ./flask-app
       dockerfile: ./Dockerfile
@@ -88,7 +101,7 @@ services:
       - ./nginx/sites-enabled:/etc/nginx/conf.d:ro
       - ./logs:/var/log/nginx
     links:
-      - db:db
+      - mongodb:mongodb
       - flask-app:flask-network
       - react-app:react-network
       - angular-app:angular-network
@@ -102,7 +115,9 @@ services:
            - nginx-network
 
 volumes:
-  db_data:
+  mongodbdata:
+    driver: local
+
 
 networks:
   services-network:

flask-app/Dockerfile

@@ -10,7 +10,7 @@ RUN pip install -r requirements.txt
 COPY . /flask-app/
 RUN cd /flask-app/
 
-ENV MONGO_URL "mongodb://root:password@db:27017/flask-app"
+ENV MONGO_URL "mongodb://root:password@mongodb:27017/flaskdb"
 
 EXPOSE 5000
 

flask-app/hello.py

@@ -3,46 +3,25 @@
 from flask_pymongo import PyMongo
 
 app = Flask(__name__)
-app.config["MONGO_URI"] = os.environ.get("MONGO_URL", "mongodb://127.0.0.1:27017/flask-app")
+app.config["MONGO_URI"] =  "mongodb://mongodb:27017/flaskdb"
+#app.config["MONGO_URI"] = 'mongodb://' + os.environ['MONGODB_USERNAME'] + ':' + os.environ['MONGODB_PASSWORD'] + '@' + os.environ['MONGODB_HOSTNAME'] + ':27017/' + os.environ['MONGODB_DATABASE']
 mongo = PyMongo(app)
+db = mongo.db
 
 @app.route("/", methods=["GET"])
 def hello():
-    return "<h1>Hello World!</h1>"
+    return "<h1>Falsk: Hello World!</h1>"
 
-@app.route('/user', methods=['GET', 'POST', 'DELETE', 'PATCH'])
-def user():
+@app.route('/users', methods=['GET'])
+def users():
     if request.method == 'GET':
-        query = request.args
-        data = mongo.db.users.find_one(query)
+        users = db.user.find()
+        print('==== users: ', users)
+        data = []
+        for user in users:
+          data.append(user)
         return jsonify(data), 200
 
-    data = request.get_json()
-    if request.method == 'POST':
-        if data.get('name', None) is not None and data.get('email', None) is not None:
-            mongo.db.users.insert_one(data)
-            return jsonify({'ok': True, 'message': 'User created successfully!'}), 200
-        else:
-            return jsonify({'ok': False, 'message': 'Bad request parameters!'}), 400
-
-    if request.method == 'DELETE':
-        if data.get('email', None) is not None:
-            db_response = mongo.db.users.delete_one({'email': data['email']})
-            if db_response.deleted_count == 1:
-                response = {'ok': True, 'message': 'record deleted'}
-            else:
-                response = {'ok': True, 'message': 'no record found'}
-            return jsonify(response), 200
-        else:
-            return jsonify({'ok': False, 'message': 'Bad request parameters!'}), 400
-
-    if request.method == 'PATCH':
-        if data.get('query', {}) != {}:
-            mongo.db.users.update_one(
-                data['query'], {'$set': data.get('payload', {})})
-            return jsonify({'ok': True, 'message': 'record updated'}), 200
-        else:
-            return jsonify({'ok': False, 'message': 'Bad request parameters!'}), 400
 
 if __name__ == "__main__":
     app.run(host='0.0.0.0', port=5000)