Adding prometheus and grafana

.github/workflows/first_pipeline.yml

@@ -21,6 +21,7 @@ jobs:
           --health-timeout 5s
           --health-retries 5
 
+    if: github.ref == 'refs/heads/dev'
     steps:
       - name: Checkout
         uses: actions/checkout@v4

app/main.py

@@ -3,6 +3,7 @@
 import redis.asyncio as asyncredis
 import uvicorn
 from fastapi import FastAPI
+from prometheus_fastapi_instrumentator import Instrumentator
 from slowapi import _rate_limit_exceeded_handler
 from slowapi.errors import RateLimitExceeded
 
@@ -22,6 +23,8 @@ async def lifespan(app: FastAPI):
 
 app = FastAPI(lifespan=lifespan)
 
+Instrumentator().instrument(app).expose(app)
+
 app.include_router(router)
 
 app.state.limiter = limiter

docker-compose.yml

@@ -49,6 +49,21 @@ services:
       - certbot_conf:/etc/letsencrypt
       - certbot_www:/var/www/certbot
 
+  prometheus:
+    image: prom/prometheus
+    ports:
+      - "9090:9090"
+    volumes:
+      - ./prometheus.yml:/etc/prometheus/prometheus.yml
+      - prometheus_data:/prometheus
+
+  grafana:
+    image: grafana/grafana
+    ports:
+      - "3000:3000"
+    volumes:
+      - grafana_data:/var/lib/grafana
+
   certbot:
     image: certbot/certbot:latest
     volumes:
@@ -59,4 +74,6 @@ services:
 volumes:
   postgres_data:
   certbot_conf:
-  certbot_www:
+  certbot_www:
+  grafana_data:
+  prometheus_data:

prometheus.yml

@@ -0,0 +1,21 @@
+global:
+  scrape_interval: 15s
+  scrape_timeout: 10s
+  evaluation_interval: 15s
+scrape_configs:
+  - job_name: prometheus
+    honor_timestamps: true
+    scrape_interval: 15s
+    scrape_timeout: 10s
+    metrics_path: /metrics
+    scheme: http
+    follow_redirects: true
+    static_configs:
+      - targets:
+        - localhost:9090
+  - job_name: 'fastapi'
+    scrape_interval: 10s
+    metrics_path: /metrics
+    static_configs:
+      - targets: ['web:8000']
+