Reference library

Microservices patterns

Service boundaries, discovery, inter-service calls, and decomposition patterns.

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Microservices patterns medium

JWT Service-to-Service Authentication Mock in Python

Create and verify HS256 JWTs for service-to-service authentication without external libraries.

jwt authentication hmac
Python 
import hashlib
import hmac
import base64
import json
import time


class JWTMock:
    """Minimal JWT service-to-service mock using HS256."""
    
    def __init__(self, secret):
        self.secret = secret.encode()
    
    @staticmethod
    def _b64url_encode(data):
        return base64.urlsafe_b64encode(data).rstr…
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