# syntax = docker/dockerfile:1.4

FROM alpine:3.18.2@sha256:25fad2a32ad1f6f510e528448ae1ec69a28ef81916a004d3629874104f8a7f70 as RUN


# Add runtime dependencies
# - tzdata: Go time required external dependency eg: TRANSIP and possibly others
# - ca-certificates: Needed for https to work properly
RUN --mount=type=cache,target=/var/cache/apk apk update
RUN --mount=type=cache,target=/var/cache/apk apk add --no-cache tzdata ca-certificates
RUN --mount=type=cache,target=/var/cache/apk update-ca-certificates

COPY dnscontrol /usr/local/bin/

WORKDIR /dns

ENTRYPOINT ["/usr/local/bin/dnscontrol"]