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)