Dockerfile/caddy

auto build caddy with dns plugin

build log
https://github.com/mzzsfy/Dockerfile/actions/workflows/caddy.yml

add more dns plugin see
https://github.com/mzzsfy/Dockerfile/blob/main/.github/workflows/caddy.yml#L10

all tags: cloudflare,alidns,azure,dnspod,googleclouddns,duckdns

docker run -it -name caddy mzzsfy/caddy-dns:<tag> #not exist latest

docker run -it -name caddy mzzsfy/caddy-dns:alidns

docker run -it -name caddy mzzsfy/caddy-dns:cloudflare