Redirect Service

A simple HTTP redirect service built with Go and Echo framework that allows you to configure URL redirects via command line arguments.

Features

• Configurable redirects via command line flags
• Support for parameterized URLs (e.g., :user, :id)
• Query parameter preservation
• Environment variable support for port configuration
• Request logging

Usage

Basic Syntax

go run . -base <BASE_URL> [PATH1 REDIRECT1 PATH2 REDIRECT2 ...]

Parameters

• -base <URL>: Base URL for redirects (required)
• -port <port>: Port to run the server on (optional, defaults to 8080 or PORT env var)
• Redirect mappings: Pairs of path patterns and redirect paths

Examples

# Single redirect mapping
go run . -base "https://example.com" "/user/:user" "/u/:user"

# Multiple redirect mappings
go run . -base "https://example.com" \
  "/user/:user" "/u/:user" \
  "/user/:user/tags/:tag" "/u/:user/t/:tag"
# Custom port
go run . -base "https://example.com" -port "3000" "/path/:user" "/redirecthere/:user"

Environment Variables

• PORT: Default port for the server (fallback if -port flag not provided)