FROM caddy:2-builder-alpine AS builder
RUN xcaddy build --with github.com/caddyserver/forwardproxy@caddy2

FROM caddy:2-alpine
COPY --from=builder /usr/bin/caddy /usr/bin/caddy
COPY entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh
ENTRYPOINT ["/entrypoint.sh"]
CMD ["caddy", "run", "--config", "/etc/caddy/Caddyfile", "--adapter", "caddyfile"]