joe4dev / localstack-lambda-custom-dns

Examples of custom DNS configuration with LocalStack for Lambda

LocalStack Custom DNS Example

This example explores several custom DNS configuration using LocalStack and Lambda.

127.0.0.11 refers to the Docker DNS resolver.

LocalStack Documentation

• Transparent Endpoint Injection
• Configuration
• Network troubleshooting

Requirements

• make
• samlocal
• awslocal

Deploy

make deploy

Invoke

make invoke

Setup custom DNS server

make install (macOS)

Installation based on DNS server macOS tutorial

Start DNS server

make start_dns (requires sudo for binding port 53)

Ensure that port 53 is free and not used by "Internet Sharing" (see LocalStack DNS documentation)