A Caddy Server (version 2) Docker image.
Dependencies:
$ task --list
task: Available tasks for this project:
* d:build:alpine: Build a Caddy Alpine-based Docker image
* d:build:scratch: Build a Caddy scratch-based Docker image
* d:lint: Apply a Dockerfile linter (https://github.com/hadolint/hadolint)
* d:run:alpine: Build and run the Caddy alpine-based Docker image
* d:run:scratch: Build and run the Caddy scratch-based Docker image