Setting Up a Secure Ghost Blog with Docker Compose and Caddy Reverse Proxy
In this post, we’ll demonstrate how to securely set up a Ghost blog using Docker Compose with a focus on network isolation. The stack will consist of three containers: Ghost, MySQL (version 8), and Caddy (as a reverse proxy with automatic SSL certificates provided by Let’s Encrypt). We’ll ensure that only ports 80 and 443 are exposed by Caddy, while MySQL remains isolated on an internal network. Network Design web network: This public network will host Caddy, allowing external access only through Caddy. internal network: This private network will be used exclusively for communication between the Ghost and MySQL containers, with no external exposure. Docker Compose Configuration We’ll define everything in a docker-compose.yml file. This file will configure the services, networks, and volumes required for the setup. ...