# syntax = docker/dockerfile:1.4 FROM alpine:3.18.3@sha256:7144f7bab3d4c2648d7e59409f15ec52a18006a128c733fcff20d3a4a54ba44a 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"]