ARG VERSION=2.6
ARG VARIANT=alpine

FROM docker.io/caddy:${VERSION}-builder-${VARIANT} AS builder

RUN xcaddy build \
    --with github.com/gamalan/caddy-tlsredis \
    --with github.com/sebastianbrunnert/caddy-advanced-metrics

FROM docker.io/caddy:${VERSION}-${VARIANT}

COPY --from=builder /usr/bin/caddy /usr/bin/caddy

COPY Caddyfile /etc/caddy/
COPY public /srv

EXPOSE 9091/tcp

ENV SITE_ROOT=/srv

RUN mkdir /etc/caddy/globals/
RUN touch /etc/caddy/globals/dummy
RUN ["/usr/bin/caddy", "validate", "--config", "/etc/caddy/Caddyfile"]

COPY redis.Caddyfile /etc/caddy/globals/redis