diff --git a/files/Dockerfile.spack b/files/Dockerfile.spack
index ab5eca2..5755f6b 100644
--- a/files/Dockerfile.spack
+++ b/files/Dockerfile.spack
@@ -6,21 +6,13 @@ COPY %APPDIR% /%APPDIR%
 COPY software-catalog /software-catalog
 COPY .spack /.spack
 COPY packages /packages
+COPY build_spack.sh /.spack/build_spack.sh
 
 WORKDIR /packages
 
 RUN echo "Installing apt-get packages" && %APTGET_INSTALL%
 
-RUN [ ! /%APPDIR%/spack.yaml ] && echo "No spack environment to install" || echo "Installing spack packages" && spack -C /.spack find && cat /%APPDIR%/spack.yaml \
-    && spack -C /.spack compiler find && spack -C /.spack external find && spack -C /.spack -e /%APPDIR% install --fail-fast --no-checksum --keep-stage -j2 \
-    && [ -f /%APPDIR%/post_inst.sh ] && sh /%APPDIR%/post_inst.sh || echo "Nothing else to do"; spack gc -y
-    # && spack -C /.spack mirror add binary_mirror_dev https://binaries.spack.io/develop \
-    # && spack -C /.spack buildcache keys --install --trust \
-
-
-RUN  spack -C /.spack env activate /%APPDIR% --sh >> /etc/profile.d/z10_spack_environment.sh && \
-    echo "export PYTHONPATH=/opt/view/local/lib/python3.10/site-packages/:\$PYTHONPATH" >> /etc/profile.d/z10_spack_environment.sh && \
-    echo "export PATH=/usr/local/bin/:\$PATH" >> /etc/profile.d/z10_spack_environment.sh
+RUN sh /.spack/build_spack.sh /%APPDIR% 3.10
 
 SHELL ["/bin/bash", "--login", "-c"] 
 
diff --git a/image_builder/build.py b/image_builder/build.py
index b168dc0..09ccd35 100644
--- a/image_builder/build.py
+++ b/image_builder/build.py
@@ -63,6 +63,8 @@ def __init__(self, repositories_cfg, builder_cfg, registry_cfg):
             builder_cfg["builder_home"], "files", "run_build.sh")
         self.get_workflow_script = os.path.join(
             builder_cfg["builder_home"], "files", "get_workflow.sh")
+        self.spack_build_script = os.path.join(
+            builder_cfg["builder_home"], "files", "build_spack.sh")
         self.singularity_sudo = builder_cfg['singularity_sudo']
 
     def _update_dockerfile(self, tmp_folder, step_id, machine, debs, pips):
@@ -128,11 +130,8 @@ def _update_configuration(self, workflow_folder_path, machine):
             environment['spack']['config'] = {
                 'shared_linking': {'type': 'runpath'}}
             environment['spack']['view'] = "/opt/view"
-        else:
-            raise Exception(
-                "Incorrect spack environment. Not containing the spack tag.")
-        with open(os.path.join(workflow_folder_path, "spack.yaml"), 'w') as file:
-            yaml.dump(environment, file, default_flow_style=False)
+            with open(os.path.join(workflow_folder_path, "spack.yaml"), 'w') as file:
+                yaml.dump(environment, file, default_flow_style=False)
         return debs, pips
 
     def _generate_build_environment(self, logger, tmp_folder, workflow, machine, path):
@@ -142,6 +141,7 @@ def _generate_build_environment(self, logger, tmp_folder, workflow, machine, pat
         debs, pips = self._update_configuration(workflow_folder_path, machine)
         software_repo_path = os.path.join(
             tmp_folder, os.path.basename(self.software_repository))
+        shutil.copy2(self.spack_build_script, tmp_folder)
         shutil.copytree(self.software_repository, software_repo_path)
         spack_cfg_path = os.path.join(tmp_folder, ".spack")
         shutil.copytree(self.spack_cfg, spack_cfg_path)