# syntax=docker/dockerfile:1

FROM golang:1.25-bookworm AS builder

WORKDIR /src

ENV CGO_ENABLED=1

COPY go.mod go.sum ./
RUN go mod download

COPY . .
RUN go build -trimpath -ldflags="-s -w" -o /out/gitgud ./cmd/server

FROM debian:bookworm-slim AS runtime

RUN apt-get update \
  && apt-get install -y --no-install-recommends \
    ca-certificates \
    git \
  && rm -rf /var/lib/apt/lists/*

WORKDIR /app
COPY --from=builder /out/gitgud /app/gitgud

ENV GITGUD_ADDR=:8080 \
    GITGUD_DATA_DIR=/data

RUN mkdir -p /data
VOLUME ["/data"]

EXPOSE 8080

CMD ["/app/gitgud"]