FROM golang:1.23-alpine AS build
WORKDIR /src

# Resolve dependencies before copying source. Do not run `go mod tidy` here.
COPY go.mod go.sum ./
RUN go mod download

COPY cmd ./cmd
COPY internal ./internal

RUN CGO_ENABLED=0 GOOS=linux go build \
    -trimpath -ldflags="-s -w" \
    -o /out/neuralhunt-client ./cmd/client

FROM alpine:3.21
RUN adduser -D -h /home/app app \
 && mkdir -p /app /identity \
 && chown -R app:app /app /identity
WORKDIR /app

COPY --from=build /out/neuralhunt-client /app/neuralhunt-client

USER app
ENV HOME=/home/app
VOLUME ["/identity"]
ENTRYPOINT ["/app/neuralhunt-client"]
CMD ["-help"]