DataDog

# Datadog APM Integration
from ddtrace import tracer
from ddtrace.contrib.flask import TraceMiddleware

app = Flask(__name__)
TraceMiddleware(app, tracer, service="web-app")

@app.route('/api/users/<user_id>')
def get_user(user_id):
    # Custom span creation
    with tracer.trace("database.query", service="postgres") as span:
        span.set_tag("query.table", "users")
        span.set_tag("user.id", user_id)
        
        user = db.query("SELECT * FROM users WHERE id = %s", user_id)
        
        if user:
            span.set_tag("user.found", True)
            return {"user": user}
        else:
            span.set_tag("error", True)
            return {"error": "User not found"}, 404

# Datadog Agent Configuration
api_key: YOUR_API_KEY_HERE
site: datadoghq.com

# Infrastructure monitoring
process_config:
  enabled: "true"
  
network_config:
  enabled: true

# Container monitoring
container_include:
  - "name:web-*"
  - "image:nginx"
  
container_exclude:
  - "name:dd-agent"

# Log collection
logs_enabled: true
logs_config:
  container_collect_all: true
  
# APM configuration  
apm_config:
  enabled: true
  env: production