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updated app logic #4

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updated app logic #4

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f9f3945
Update run.py
arvi18 Jul 12, 2025
95b9eeb
removed unneccesary
arvi18 Jul 14, 2025
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31 changes: 25 additions & 6 deletions run.py
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Original file line number Diff line number Diff line change
@@ -1,11 +1,30 @@
import uvicorn
from app.main import app
import os
import sys
from pathlib import Path

def main():
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Missing Docstring

The main function lacks a docstring explaining its purpose and behavior. This reduces code maintainability as future developers won't understand the function's role without reading its implementation.

Suggested change
def main():
def main():
"""
Configure and start the uvicorn server with environment-specific settings.
Uses environment variables for configuration with sensible defaults.
"""
Standards
  • PEP 257
  • Clean Code

# Set project root as working directory
current_dir = Path(__file__).resolve().parent
sys.path.append(str(current_dir))

# Read environment-based settings
env = os.getenv("ENV", "development").lower()
port = int(os.getenv("PORT", 8000))
Comment on lines +12 to +13
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Missing Error Handling

Converting port to int without error handling can crash the application if PORT environment variable contains non-numeric value. This creates a reliability issue during deployment with misconfigured environment.

Suggested change
env = os.getenv("ENV", "development").lower()
port = int(os.getenv("PORT", 8000))
try:
port = int(os.getenv("PORT", 8000))
except ValueError:
print("Error: PORT environment variable must be a number")
port = 8000
Standards
  • ISO-25010-Reliability
  • Error Handling Best Practices

reload = env == "development"
workers = int(os.getenv("UVICORN_WORKERS", 1 if reload else 4))

if __name__ == "__main__":
uvicorn.run(
"app.main:app",
host="0.0.0.0",
port=8000,
reload=True,
log_level="info"
)
port=port,
reload=reload,
workers=workers,
log_level="debug" if reload else "info",
proxy_headers=True, # Trust X-Forwarded-For if behind proxy
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Security Consideration: Setting forwarded_allow_ips="*" allows all forwarded IPs which could pose security risks in production environments. Consider restricting this to specific, trusted IP ranges or networks in production deployments.

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@arvi18 arvi18 Jul 13, 2025 •
edited
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legit reply from a legit author

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legit reply from a legit reviewer

forwarded_allow_ips="*", # Allow all forwarded IPs
timeout_keep_alive=30 # Optional tuning
)
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Unrestricted Forwarded IPs

Setting forwarded_allow_ips to '*' trusts all IP addresses in X-Forwarded-For headers. This enables IP spoofing attacks where malicious clients can forge their source IP address.

Suggested change
)
forwarded_allow_ips=os.getenv("TRUSTED_PROXIES", "127.0.0.1"), # Only trust specific proxy IPs
Standards
  • OWASP-A01
  • CWE-284


if __name__ == "__main__":
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legit review comment from a legit reviewer

main()