feat: add health check endpoint and suppress health check logs

Added a /health endpoint for application health monitoring

Implemented logging filter to suppress health check requests from logs

Updated Dockerfile and Kubernetes deployment to use the new health check endpoint

Incremented production image tag version

Dockerfile

@@ -42,7 +42,7 @@ EXPOSE 8000
 
 # Health check
 HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
-    CMD curl -f http://localhost:8000/ || exit 1
+    CMD curl -f http://localhost:8000/health || exit 1
 
 # Run the application
 CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]

app/main.py

@@ -14,6 +14,17 @@ from fastapi.templating import Jinja2Templates
 from pydantic import BaseModel
 from fpdf import FPDF
 
+import logging
+
+# Custom filter to exclude health check logs
+class HealthCheckFilter(logging.Filter):
+    def filter(self, record: logging.LogRecord) -> bool:
+        # Exclude health check requests from logs
+        return "GET /health " not in record.getMessage()
+
+# Apply the filter to Uvicorn's access logger
+logging.getLogger("uvicorn.access").addFilter(HealthCheckFilter())
+
 app = FastAPI()
 
 # S3 Configuration
@@ -433,7 +444,7 @@ async def bulk_download(filenames: str = Form(...)):
     try:
         # Parse the JSON string to get the list of filenames
         filename_list = json.loads(filenames)
-
+        
         # Create a temporary zip file
         with tempfile.NamedTemporaryFile(suffix=".zip", delete=False) as tmp_zip:
             with zipfile.ZipFile(tmp_zip.name, "w") as zipf:
@@ -441,16 +452,16 @@ async def bulk_download(filenames: str = Form(...)):
                     file_data = download_from_s3(S3_BUCKET_NAME, filename)
                     if file_data:
                         zipf.writestr(filename, file_data)
-
+            
             # Read the zip file
             with open(tmp_zip.name, "rb") as f:
                 zip_data = f.read()
-
+            
             # Clean up temporary file
             import os
-
+            
             os.unlink(tmp_zip.name)
-
+            
             # Return streaming response with zip data
             zip_filename = f"math_exercises_{len(filename_list)}_files.zip"
             return StreamingResponse(
@@ -464,7 +475,13 @@ async def bulk_download(filenames: str = Form(...)):
         return {"error": f"Error downloading files: {str(e)}"}
 
 
+@app.get("/health")
+async def health_check():
+    """Health check endpoint that returns the status of the application"""
+    return {"status": "healthy"}
+
+
 if __name__ == "__main__":
     import uvicorn
-
+    
     uvicorn.run(app, host="0.0.0.0", port=8000)

deploy/base/deployment.yaml

@@ -46,7 +46,7 @@ spec:
         # Liveness probe
         livenessProbe:
           httpGet:
-            path: /
+            path: /health
             port: 8000
           initialDelaySeconds: 90
           periodSeconds: 10
@@ -55,7 +55,7 @@ spec:
         # Readiness probe
         readinessProbe:
           httpGet:
-            path: /
+            path: /health
             port: 8000
           initialDelaySeconds: 5
           periodSeconds: 10

deploy/overlays/production/kustomization.yaml

@@ -13,7 +13,7 @@ resources:
 images:
 - name: math-exercises
   newName: harbor.cl1.parano.ch/library/math-exercice
-  newTag: 1.0.5
+  newTag: 1.0.7
 
 # Production-specific labels