# syntax=docker/dockerfile:1
#
# Multi-stage so the private-module credentials (used to fetch the majordomo
# dependency) live ONLY in the build stage via BuildKit secrets and never land
# in the final image. Mirrors mort's Dockerfile secret idiom.

FROM golang:1.26 AS build
ARG GIT_HOST=gitea.stevedudenhoeffer.com
ENV CGO_ENABLED=0 \
    GOFLAGS=-mod=mod \
    GOSUMDB=off \
    GOTOOLCHAIN=auto
ENV GOPRIVATE=${GIT_HOST}/* GONOSUMDB=${GIT_HOST}/*
WORKDIR /src
COPY go.mod go.sum ./
RUN --mount=type=secret,id=REGISTRY_USER \
    --mount=type=secret,id=REGISTRY_PASSWORD \
    --mount=type=cache,target=/go/pkg/mod \
    git config --global url."https://$(cat /run/secrets/REGISTRY_USER):$(cat /run/secrets/REGISTRY_PASSWORD)@${GIT_HOST}/".insteadOf "https://${GIT_HOST}/" \
    && go mod download
COPY . .
RUN --mount=type=cache,target=/go/pkg/mod \
    --mount=type=cache,target=/root/.cache/go-build \
    go build -trimpath -ldflags="-s -w" -o /out/gadfly ./cmd/gadfly

FROM alpine:3.20
# procps provides pkill/pgrep, which entrypoint.sh's per-PR wall-clock backstop
# (GADFLY_PR_BUDGET_SECS) uses to stop the review subtrees — busybox's applets
# are not guaranteed to include them.
RUN apk add --no-cache bash git curl jq ca-certificates nodejs npm procps
# Bundle the Claude Code CLI so the `claude-code` review engine works out of the
# box (GADFLY_MODELS=claude-code or claude-code/<model>). This adds Node + the
# CLI to the image (notably larger); ollama-only users pay the size but nothing
# else. Auth is provided at runtime via CLAUDE_CODE_OAUTH_TOKEN / ANTHROPIC_API_KEY.
RUN npm install -g @anthropic-ai/claude-code && npm cache clean --force
COPY --from=build /out/gadfly /usr/local/bin/gadfly
COPY scripts /app/scripts
COPY entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh /app/scripts/run.sh /app/scripts/status-board.sh /usr/local/bin/gadfly
ENTRYPOINT ["/entrypoint.sh"]
