add hw3

hw2/hw/Dockerfile

@@ -0,0 +1,23 @@
+FROM python:3.12 AS base
+
+ARG PYTHONFAULTHANDLER=1 \
+    PYTHONUNBUFFERED=1 \
+    PYTHONHASHSEED=random \
+    PIP_NO_CACHE_DIR=on \
+    PIP_DISABLE_PIP_VERSION_CHECK=on \
+    PIP_DEFAULT_TIMEOUT=500
+
+RUN apt-get update && apt-get install -y gcc
+RUN python -m pip install --upgrade pip
+
+WORKDIR app
+COPY . .
+
+ENV VIRTUAL_ENV=app/.venv \
+    PATH=app/.venv/bin:$PATH
+
+RUN pip install -r requirements.txt
+
+FROM base as local
+
+CMD ["uvicorn", "shop_api.main:app", "--port", "8080", "--host", "0.0.0.0"]

hw2/hw/docker-compose.yml

@@ -0,0 +1,41 @@
+version: "3"
+
+services:
+
+  local:
+    build:
+      context: .
+      dockerfile: ./Dockerfile
+      target: local
+    restart: always
+    ports:
+      - 8080:8080
+    networks:
+      - monitor-net
+
+  grafana:
+    image: grafana/grafana:latest
+    ports:
+      - 3000:3000
+    restart: always
+    networks:
+      - monitor-net
+
+  prometheus:
+    image: prom/prometheus
+    volumes:
+      - ./settings/prometheus/:/etc/prometheus/
+    command:
+      - "--config.file=/etc/prometheus/prometheus.yml"
+      - "--storage.tsdb.path=/prometheus"
+      - "--web.console.libraries=/usr/share/prometheus/console_libraries"
+      - "--web.console.templates=/usr/share/prometheus/consoles"
+    ports:
+      - 9090:9090
+    restart: always
+    networks:
+      - monitor-net
+
+
+networks:
+  monitor-net:

hw2/hw/requirements.txt

@@ -7,4 +7,7 @@ websockets>=1.8.0
 pytest>=7.4.0
 pytest-asyncio>=0.21.0
 httpx>=0.27.2
-Faker>=37.8.0
+Faker>=37.8.0
+
+# prometheus
+prometheus-fastapi-instrumentator==7.1.0

hw2/hw/settings/prometheus/prometheus.yml

@@ -0,0 +1,10 @@
+global:
+  scrape_interval: 10s
+  evaluation_interval: 10s
+
+scrape_configs:
+  - job_name: demo-service-local
+    metrics_path: /metrics
+    static_configs:
+      - targets:
+          - local:8080

hw2/hw/shop_api/main.py

@@ -1,8 +1,12 @@
 from fastapi import FastAPI
+from prometheus_fastapi_instrumentator import Instrumentator
+
 from shop_api.routers import cart_router, item_router, chat_router
 
 
+
 app = FastAPI(title="Shop API")
+Instrumentator().instrument(app).expose(app)
 app.include_router(cart_router)
 app.include_router(item_router)
 app.include_router(chat_router)