first commit

backend/Dockerfile

@@ -0,0 +1,7 @@
+FROM python:3.11-slim
+WORKDIR /app
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+COPY . .
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "6000"]
+

backend/main.py

@@ -0,0 +1,33 @@
+from fastapi import FastAPI
+from pydantic import BaseModel
+from redis import Redis
+from datetime import datetime
+from pymongo import MongoClient
+import json
+
+app = FastAPI()
+
+redis_client = Redis(host="redis", port=6379, decode_responses=True)
+mongo_client = MongoClient("mongodb://mongo:27017")
+mongo_db = mongo_client["logs"]
+mongo_col = mongo_db["actions"]
+
+class Action(BaseModel):
+    user: str
+    type: str
+
+@app.post("/action")
+async def log_action(action: Action):
+    entry = {
+        "user": action.user,
+        "type": action.type,
+        "timestamp": datetime.utcnow().isoformat()
+    }
+    redis_client.rpush("user_actions", json.dumps(entry))
+    return {"status": "saved to redis"}
+
+@app.get("/actions")
+async def get_actions():
+    actions = list(mongo_col.find({}, {"_id": 0}))
+    return actions
+

backend/requirements.txt

@@ -0,0 +1,6 @@
+fastapi
+uvicorn
+redis
+pydantic
+pymongo
+

docker-compose.yml

@@ -0,0 +1,29 @@
+version: '3.8'
+
+services:
+  mongo:
+    image: mongo
+    ports:
+      - "27017:27017"
+
+  redis:
+    image: redis
+    ports:
+      - "6379:6379"
+
+  backend:
+    build: ./backend
+    ports:
+      - "6000:6000"
+    depends_on:
+      - redis
+      - mongo
+
+  worker:
+    build: ./worker
+    depends_on:
+      - redis
+      - mongo
+    restart: always
+    entrypoint: ["sh", "-c", "while true; do python worker.py; sleep 60; done"]
+

worker/Dockerfile

@@ -0,0 +1,7 @@
+FROM python:3.11-slim
+WORKDIR /app
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+COPY . .
+CMD ["python", "worker.py"]
+

worker/requirements.txt

@@ -0,0 +1,3 @@
+pymongo
+redis
+

worker/worker.py

@@ -0,0 +1,24 @@
+from pymongo import MongoClient
+from redis import Redis
+import json
+
+redis_client = Redis(host='redis', port=6379, decode_responses=True)
+mongo_client = MongoClient("mongodb://mongo:27017")
+mongo_db = mongo_client["logs"]
+mongo_col = mongo_db["actions"]
+
+def transfer_actions():
+    actions = []
+    while True:
+        entry = redis_client.lpop("user_actions")
+        if entry is None:
+            break
+        actions.append(json.loads(entry))
+
+    if actions:
+        mongo_col.insert_many(actions)
+        print(f"Transferred {len(actions)} actions to MongoDB")
+
+if __name__ == "__main__":
+    transfer_actions()
+