FROM golang:alpine AS builder
RUN apk add --no-cache git ca-certificates
WORKDIR /src
ADD go.mod go.sum ./
RUN go mod download
ADD . .
RUN go build -o /src/pat

FROM scratch
LABEL org.opencontainers.image.source=https://github.com/la5nta/pat
LABEL org.opencontainers.image.description="Pat - A portable Winlink client for amateur radio email"
LABEL org.opencontainers.image.licenses=MIT
# Make sure we have a /tmp directory with the correct permissions (01777)
ADD .docker/tmp.tar /
COPY --from=builder /etc/ssl/certs /etc/ssl/certs
COPY --from=builder /src/pat /bin/pat
USER 65534:65534
WORKDIR /app
ENV XDG_CONFIG_HOME=/app
ENV XDG_DATA_HOME=/app
ENV XDG_STATE_HOME=/app
ENV PAT_HTTPADDR=:8080
EXPOSE 8080
ENTRYPOINT ["/bin/pat"]
CMD ["http"]