HACKS

Dockerfile.backend

+# Global ARGs shared by all stages
+ARG DEBIAN_FRONTEND=noninteractive
+ARG GOPATH=/usr/local/go
+
+# Build aplty
+FROM debian:bullseye-slim as builder
+ENV LC_ALL=C.UTF-8
+ARG GOPATH
+ENV GOPATH=${GOPATH}
+
+RUN apt-get update && \
+      apt-get install -y --no-install-recommends \
+          build-essential \
+          ca-certificates \
+          gcc \
+          git \
+          golang-go \
+          libc6-dev
+
+RUN git clone https://gitlab.collabora.com/obs/aptly.git $GOPATH/src/gitlab.collabora.com/obs/aptly \
+ && cd $GOPATH/src/gitlab.collabora.com/obs/aptly \
+ && make install
+
 FROM debian:bullseye-slim as server
 LABEL maintainer Andrej Shadura <andrew.shadura@collabora.co.uk>
 ENV LC_ALL=C.UTF-8
-ARG DEBIAN_FRONTEND=noninteractive
 ARG WORKDIR=/tmp/sources
+ARG DEBIAN_FRONTEND
+ARG GOPATH
 
 # Needs checking what’s actually needed
 RUN apt-get update \
@@ -16,7 +40,6 @@ RUN apt-get update \
         diffutils \
         dpkg-dev \
         git \
-        golang-go \
         locales \
         libbssolv-perl \
         libcompress-raw-zlib-perl \
@@ -48,11 +71,6 @@ RUN apt-get update \
         apt-utils \
         reprepro
 
-RUN git clone https://gitlab.collabora.com/obs/aptly.git $GOPATH/src/gitlab.collabora.com/obs/aptly \
- && cd $GOPATH/src/gitlab.collabora.com/obs/aptly \
- && make modules install \
- && rm -rf $GOPATH/src/gitlab.collabora.com/obs/aptly
-
 COPY . $WORKDIR
 
 RUN make -C $WORKDIR/dist install
@@ -82,6 +100,8 @@ VOLUME /etc/obs
 COPY docker/services/aptly/aptly.conf /etc/obs/aptly.conf
 RUN /opt/configure-backend-user.sh
 
+COPY --from=builder $GOPATH/bin/aptly /usr/local/bin/aptly
+
 RUN mkdir -p /srv/obs/log /srv/obs/run \
  && chmod ug=rwxt /srv/obs/run \
  && chown obsrun:obsrun -R /srv/obs