Minimize the final gcc built with compilers as nodes

Dockerfile

@@ -7,15 +7,20 @@ RUN apt-get update && apt-get install -y \
     libc6-dev \
     python3
 
-RUN git clone -c feature.manyFiles=true --depth=2 https://github.com/spack/spack.git
+RUN git clone -c feature.manyFiles=true --depth=2 https://github.com/spack/spack.git /spack
 
 ENV PATH="${PATH}:/spack/bin"
 
 COPY spack.yaml /root/spack-env/spack.yaml
 
+RUN spack compiler find
+
+RUN sed -i '/spec: gcc/s/$/ build_type=Release/' /root/.spack/packages.yaml
+RUN sed -i '/gcc.*+strip/s/+strip/~strip/' /root/spack-env/spack.yaml
+
 RUN spack -e /root/spack-env concretize
 RUN spack -e /root/spack-env fetch -D
-RUN spack -e /root/spack-env install --fail-fast
+RUN spack -e /root/spack-env install --fail-fast --fresh
 RUN spack view add -i /bootstrap-view $(spack find -H)
 
 
@@ -32,31 +37,32 @@ ENV PATH="/bootstrap-view/bin:/spack/bin:${PATH}"
 COPY spack.yaml /root/spack-env/spack.yaml
 
 RUN spack compiler find /bootstrap-view/bin
+RUN sed -i '/spec: gcc/s/$/ ~strip/' /root/.spack/packages.yaml
 
 RUN spack -e /root/spack-env concretize -Uf
-RUN spack -e /root/spack-env install --fail-fast
-RUN spack clean -a
-RUN spack gc -e /root/spack-env -y -b
-
+RUN spack -e /root/spack-env install --fail-fast --fresh
+RUN spack clean -ab
+RUN spack gc -e /root/spack-env -y
 
-FROM docker.io/debian:12.11-slim
 
-RUN rm -rf /usr/bin /usr/sbin
+FROM scratch
 
 COPY --from=base /spack /spack
 COPY --from=base /view /view
 COPY --from=base /python-view /python-view
 
 COPY --from=base /usr/lib /usr/lib/
 COPY --from=base /usr/include /usr/include
-COPY --from=base /usr/bin/sh /usr/bin/sh
-COPY --from=base /usr/bin/env /usr/bin/env
 
 ENV SPACK_PYTHON=/python-view/bin/python3
-ENV PATH=/view/bin:/spack/bin:/bin
+ENV PATH=/view/bin:/spack/bin
 
-RUN spack compiler find
+SHELL ["/view/bin/bash", "-c"]
+
+RUN ln -s /view/bin /usr/bin
+RUN ln -s /view/bin /bin
 
+RUN spack compiler find
 RUN spack bootstrap now
 
-ENTRYPOINT ["/bin/sh"]
+ENTRYPOINT ["/view/bin/bash", "-l", "-c"]

spack.yaml

@@ -4,8 +4,9 @@
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 spack:
   specs:
+    - bash
     - coreutils
-    - gcc+binutils@11
+    - gcc@14 +binutils +strip build_type=MinSizeRel
     - git
     - gmake
     - patch
@@ -20,13 +21,16 @@ spack:
     final:
       root: /view
       select:
+        - bash
         - binutils
         - coreutils
         - gcc
         - git
+        - grep
         - patch
         - tar
         - unzip
+        - util-linux
     python:
       root: /python-view
       select: [python]