cloud-sync-tuner/Containerfile.alpine-fallback at main · hyperpolymath/cloud-sync-tuner · GitHub

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# SPDX-License-Identifier: PMPL-1.0-or-later
# Cloud Sync Tuner - Alpine fallback (if Wolfi lacks GNAT)
# Build with: nerdctl build -f Containerfile.alpine-fallback -t cloud-sync-tuner .

# Stage 1: Build with Alpine (has GNAT in testing)
FROM alpine:edge AS builder

# Enable testing repo for GNAT
RUN echo "@testing https://dl-cdn.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories

RUN apk add --no-cache \
    gcc-gnat@testing \
    gprbuild@testing \
    musl-dev \
    make

WORKDIR /build
COPY src/ src/
COPY cloud_sync_tuner.gpr .

RUN mkdir -p obj bin && \
    gprbuild -P cloud_sync_tuner.gpr

# Stage 2: Runtime on Wolfi (secure, minimal)
FROM cgr.dev/chainguard/wolfi-base:latest

RUN apk add --no-cache \
    rclone \
    fuse3 \
    libgcc \
    gcompat

RUN adduser -D -h /home/tuner tuner
USER tuner
WORKDIR /home/tuner

COPY --from=builder /build/bin/cloud_sync_tuner /usr/local/bin/
COPY --chown=tuner:tuner config/ /home/tuner/.config/cloud-sync-tuner/

VOLUME ["/home/tuner/output"]
ENTRYPOINT ["/usr/local/bin/cloud_sync_tuner"]

LABEL org.opencontainers.image.title="Cloud Sync Tuner" \
      org.opencontainers.image.source="https://github.com/hyperpolymath/cloud-sync-tuner" \
      org.opencontainers.image.licenses="PMPL-1.0-or-later"