The-DevOps-Daily/pg-wire-mock

Support configuration files (JSON/YAML) in addition to environment variables

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#115 opened on Oct 13, 2025

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Description

Goal: Allow users to configure the server via config files for easier complex configuration management.

Features:

  • Support for pg-mock.json and pg-mock.yaml files
  • Hierarchical configuration (file < env vars < CLI args)
  • Configuration validation and helpful error messages
  • Hot-reload support for config file changes
  • Documentation and examples for config file usage

Benefits: Easier management of complex configurations, better version control of settings.

Contributor guide

Research direction
Understand the current environment variable configuration mechanism, then implement a configuration loader that reads JSON/YAML files and merges them with env vars and CLI args. Consider using libraries like js yaml for YAML parsing. Ensure hierarchical merging, validation, and hot reload support using file watchers.
Tech stack
javascriptnodejs
Domain
backend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
Node.jsJavaScript
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65