2-db-and-pl-demonstration (#1)

.env.example

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+MONGO_DB_HOST=YOUR_MONGODB_HOSTNAME_HERE
+MONGO_DB_PORT=YOUR_MONGODB_PORT_HERE
+MONGO_INITDB_ROOT_USERNAME=YOUR_USERNAME_HERE
+MONGO_INITDB_ROOT_PASSWORD=YOUR_PASSWORD_HERE

Dockerfile

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+FROM python:3.12-alpine
+
+RUN addgroup --system gdwrapper && adduser --system --ingroup gdwrapper --disabled-password gdwrapper
+
+USER gdwrapper
+
+RUN cd ~ && mkdir app
+
+WORKDIR /app
+
+COPY requirements.txt .
+
+RUN pip3 install -r requirements.txt
+
+COPY ./hello_world .
+
+CMD [ "python3", "main.py" ]

docker-compose.yml

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+version: '3.1'
+
+services:
+
+  mongo:
+    image: mongo
+    restart: always
+    ports:
+      - ${MONGO_DB_PORT}:${MONGO_DB_PORT}
+    environment:
+      MONGO_INITDB_ROOT_USERNAME: ${MONGO_INITDB_ROOT_USERNAME}
+      MONGO_INITDB_ROOT_PASSWORD: ${MONGO_INITDB_ROOT_PASSWORD}
+    networks:
+      - gdwrapper_network
+
+
+  gdwrapper:
+    image: gdwrapepr
+    build: .
+    environment:
+      MONGO_INITDB_ROOT_USERNAME: ${MONGO_INITDB_ROOT_USERNAME}
+      MONGO_INITDB_ROOT_PASSWORD: ${MONGO_INITDB_ROOT_PASSWORD}
+      MONGO_DB_HOST: ${MONGO_DB_HOST}
+      MONGO_DB_PORT: ${MONGO_DB_PORT}
+    depends_on:
+      - mongo
+    networks:
+      - gdwrapper_network
+
+
+networks:
+  gdwrapper_network:
+    driver: bridge

hello_world/main.py

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+from pymongo import MongoClient
+import datetime
+import os
+from dotenv import load_dotenv
+
+
+load_dotenv('../.env')
+
+
+db_uri = f'mongodb://{os.environ['MONGO_INITDB_ROOT_USERNAME']}:{os.environ['MONGO_INITDB_ROOT_PASSWORD']}@{os.environ['MONGO_DB_HOST']}:{os.environ['MONGO_DB_PORT']}/'
+client = MongoClient(db_uri)
+
+print('Cписок доступных БД по умолчанию:')
+print(client.list_database_names())
+print('')
+
+
+gdwrapper_db = client['gdwrapper_db']
+collection = gdwrapper_db['test_collection']
+collection.insert_one(
+    {
+        'Info': 'This is test data',
+        'Timestamp': datetime.datetime.now(tz=datetime.timezone.utc)
+    }
+)
+
+print('Cписок доступных БД после добавления gdwrapper_db:')
+print(client.list_database_names())
+print('')
+
+
+print('Данные gdwrapper_db из коллекции test_collection:')
+for item in client.get_database('gdwrapper_db').get_collection('test_collection').find():    
+    print(item)

requirements.txt

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+dnspython==2.7.0
+dotenv==0.9.9
+pymongo==4.11.1
+python-dotenv==1.0.1