# syntax=docker/dockerfile:1.7
ARG VERSION=dev

FROM golang:1.25-alpine AS builder

ARG VERSION

WORKDIR /build
COPY backend/go.mod backend/go.sum ./
RUN --mount=type=cache,target=/go/pkg/mod \
    go mod download

COPY backend/ ./
RUN --mount=type=cache,target=/go/pkg/mod \
    --mount=type=cache,target=/root/.cache/go-build \
    CGO_ENABLED=0 GOOS=linux go build -trimpath -ldflags "-s -w -X 'Wavelet/OpenFlare/plugins/relay/config.Version=$VERSION'" -o /build/bin/openflare-relay ./cmd/relay/main.go

# Final runtime image
FROM fatedier/frps:v0.69.0

WORKDIR /app

# Copy openflare-relay binary
COPY --from=builder /build/bin/openflare-relay ./openflare-relay

VOLUME ["/app/data"]

ENV OPENFLARE_FRPS_PATH=/usr/bin/frps
ENV OPENFLARE_DATA_DIR=/app/data

ENTRYPOINT ["/app/openflare-relay"]