ARG GO_VERSION=1
FROM golang:${GO_VERSION}-bookworm AS builder

WORKDIR /usr/src/app
COPY go.mod go.sum ./
RUN go mod download && go mod verify
COPY . .
RUN go build -v -o /labeler ./cmd/labeler

FROM debian:bookworm-slim

RUN apt-get update && \
    apt-get install -y ca-certificates && \
    rm -rf /var/lib/apt/lists/*

COPY --from=builder /labeler /labeler

VOLUME /app/state
EXPOSE 8081

CMD ["/labeler", "-config=/app/state/config.json"]