FROM --platform=$BUILDPLATFORM golang:1.25-alpine AS builder

ARG TARGETARCH=amd64

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

COPY . ./
RUN CGO_ENABLED=0 GOARCH=$TARGETARCH go build -ldflags="-s -w" -o git-summarizer ./cmd/git-summarizer

FROM alpine:3.20

# Static labels
LABEL org.opencontainers.image.title="git-summarizer" \
      org.opencontainers.image.description="AI-powered git change summarizer using agentic tool-calling with self-hosted LLMs" \
      org.opencontainers.image.licenses="MIT" \
      org.opencontainers.image.authors="Evan Jarrett" \
      org.opencontainers.image.source="https://tangled.org/evan.jarrett.net/git-summarize" \
      org.opencontainers.image.documentation="https://tangled.org/evan.jarrett.net/git-summarize"

# Dynamic labels are passed via --label flags at build time

RUN apk add --no-cache ca-certificates

COPY --from=builder /app/git-summarizer /usr/local/bin/

RUN mkdir -p /root/.ssh && chmod 700 /root/.ssh

EXPOSE 8000

ENTRYPOINT ["git-summarizer"]