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File size: 1,339 Bytes
37c8cb5 0926533 6699d51 37c8cb5 0926533 37c8cb5 0926533 7269d89 37c8cb5 0926533 37c8cb5 0926533 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | from fastapi import FastAPI
from fastapi.responses import JSONResponse
import time
import psutil
import os
app = FastAPI()
process = psutil.Process(os.getpid())
last_cpu_times = process.cpu_times()
last_time = time.time()
def get_cpu_percent():
global last_cpu_times, last_time
now = time.time()
times = process.cpu_times()
elapsed = now - last_time
cpu_used = (times.user - last_cpu_times.user) + (times.system - last_cpu_times.system)
last_cpu_times = times
last_time = now
return round((cpu_used / elapsed) * 100, 1)
def simulate_work():
start = time.time()
while (time.time() - start) < 0.005:
pass
@app.get("/")
async def root():
simulate_work()
return {"ok": True, "time": int(time.time() * 1000)}
@app.get("/metrics")
async def metrics():
try:
cpu_percent = get_cpu_percent()
mem_info = process.memory_info()
return {
"cpu": cpu_percent,
"memory": round(mem_info.rss / 1024 / 1024, 1)
}
except Exception as e:
return JSONResponse(status_code=500, content={"error": str(e)})
if __name__ == "__main__":
port = int(os.environ.get("PORT", 3000))
print(f"✅ FastAPI server running on port {port}")
import uvicorn
uvicorn.run("main:app", host="0.0.0.0", port=port, log_level="info")
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