Docker and Caddy File for proxy Hasura Graphql

Caddyfile

:8001 {
    proxy /graphql :8080 {
        without /graphql
        websocket
    }

    proxy / :3001 {

    }
}

Dockerfile

FROM ubuntu AS builder
RUN apt-get update && apt-get install -y git ca-certificates curl wget
RUN curl https://getcaddy.com | bash -s personal docker,http.ipfilter,http.jwt,http.ratelimit,http.realip
FROM scratch
COPY --from=builder /usr/local/bin/caddy /usr/local/bin/caddy
WORKDIR /usr/local/bin/
CMD ["/usr/local/bin/caddy"]

FROM alpine:3.10
ENV ACME_AGREE="true"
ENV ENABLE_TELEMETRY="false"
RUN apk add --no-cache \
    ca-certificates \
    git \
    mailcap \
    openssh-client \
    tzdata
COPY --from=builder /usr/local/bin/caddy /usr/bin/caddy
RUN /usr/bin/caddy -version
RUN /usr/bin/caddy -plugins
EXPOSE 80 443 2015
VOLUME /root/.caddy /srv
WORKDIR /srv
COPY Caddyfile /etc/Caddyfile
ENTRYPOINT ["/usr/bin/caddy"]
CMD ["--conf", "/etc/Caddyfile", "--log", "stdout", "--agree=true"]