FROM golang:1.19.5-alpine AS builder

RUN \

apk update && \

apk add --no-cache \

ca-certificates \

git \

tzdata \

zip \

&& \

update-ca-certificates && \

zip -q -r -0 /zoneinfo.zip /usr/share/zoneinfo && \

wget -O - https://taskfile.dev/install.sh | sh -s -- -d -b /usr/local/bin

WORKDIR /app

# Copy and download dependency using go mod.

COPY go.mod go.sum ./

RUN go mod download

# Copy the code into the container.

COPY . .

RUN task build

# ----------------------------------------------------------------------

# now create a minimal docker image

FROM scratch

ARG SOURCE_COMMIT

ARG DOCKER_TAG

ARG BUILD_DATE

LABEL \

org.opencontainers.image.title="sensorpush-proxy" \

org.opencontainers.image.description="" \

org.opencontainers.image.licenses="" \

org.opencontainers.image.url="https://github.com/JaredReisinger/sensorpush-proxy" \

org.opencontainers.image.documentation="https://github.com/JaredReisinger/sensorpush-proxy#readme" \

org.opencontainers.image.source="https://github.com/JaredReisinger/sensorpush-proxy" \

org.opencontainers.image.revision="${SOURCE_COMMIT}" \

org.opencontainers.image.version="${DOCKER_TAG}" \

org.opencontainers.image.created="${BUILD_DATE}" \

org.label-schema.schema-version="1.0" \

org.label-schema.name="sensorpush-proxy" \

org.label-schema.description="" \

org.label-schema.license="" \

org.label-schema.url="https://github.com/JaredReisinger/sensorpush-proxy" \

org.label-schema.vcs-url="https://github.com/JaredReisinger/sensorpush-proxy" \

org.label-schema.vcs-ref="${SOURCE_COMMIT}" \

org.label-schema.version="${DOCKER_TAG}" \

org.label-schema.build-date="${BUILD_DATE}"

COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/

# do we need TZ info?

# COPY --from=builder /zoneinfo.zip /

# ENV ZONEINFO /zoneinfo.zip

COPY --from=builder /app/build/sensorpush-proxy /sensorpush-proxy

#EXPOSE 80

EXPOSE 5375

# don't run as root?

USER 1000:1000

ENTRYPOINT ["/sensorpush-proxy"]