diff --git a/docker/Dockerfile-gunicorn b/docker/Dockerfile-gunicorn
index f1790fd68..5c1c810eb 100644
--- a/docker/Dockerfile-gunicorn
+++ b/docker/Dockerfile-gunicorn
@@ -1,6 +1,13 @@
 FROM python:3.13.7-slim-bookworm
 ENV DEBIAN_FRONTEND=noninteractive
 
+ARG HTTP_PROXY
+ARG HTTPS_PROXY
+ARG NO_PROXY
+ARG http_proxy
+ARG https_proxy
+ARG no_proxy
+
 WORKDIR /var/www/startup/
 COPY requirements.txt requirements.txt
 RUN python -m venv venv
diff --git a/docker/compose.yml.example b/docker/compose.yml.example
index 59e1a3c31..dd966b2a9 100644
--- a/docker/compose.yml.example
+++ b/docker/compose.yml.example
@@ -54,6 +54,13 @@ services:
     build:
       context: .
       dockerfile: Dockerfile-gunicorn
+      args:
+        HTTP_PROXY: ${HTTP_PROXY}
+        HTTPS_PROXY: ${HTTPS_PROXY}
+        NO_PROXY: ${NO_PROXY}
+        http_proxy: ${http_proxy}
+        https_proxy: ${https_proxy}
+        no_proxy: ${no_proxy}
     container_name: green-coding-gunicorn-container
     init: true
     depends_on:
diff --git a/tests/data/bare-metal/usage_scenario.yml b/tests/data/bare-metal/usage_scenario.yml
index 226926570..889ca24d8 100644
--- a/tests/data/bare-metal/usage_scenario.yml
+++ b/tests/data/bare-metal/usage_scenario.yml
@@ -8,6 +8,15 @@ services:
   ubuntu-systemd-docker:
     type: container
     image: greencoding/ubuntu-systemd-docker
+    networks:
+      - bridge
+    volumes:
+      - gmt-tests-pip-cache:/root/.cache/pip/
+      - gmt-tests-apt-package-cache:/var/cache/apt/
+      - gmt-tests-apt-list-cache:/var/lib/apt/lists/
+      - gmt-tests-buildkit-cache:/root/.cache/buildkit-gmt/
+    setup-commands:
+      - command: rm /etc/apt/apt.conf.d/docker-clean # the image comes with a script that deletes all apt packages after install. we do not want that
 
 flow:
   - name: Pull GMT
@@ -20,7 +29,7 @@ flow:
     container: ubuntu-systemd-docker
     commands:
       - type: console
-        # we set here --nvidia-gpu altough the M4 machine does not have any. We want to test if the headers can be correctly downloaded
+        # we set here --nvidia-gpu although the M4 machine does not have any. We want to test if the headers can be correctly downloaded
         command: |
           cd ~/green-metrics-tool
           ./install_linux.sh -p testpw -a http://api.green-coding.internal:9142 -m http://metrics.green-coding.internal:9142 -T -L -z -f -j -d -g --nvidia-gpu
@@ -43,8 +52,8 @@ flow:
     commands:
       - type: console
         command: |
-          source venv/bin/activate
           cd ~/green-metrics-tool/tests
+          source ../venv/bin/activate
           python3 setup-test-env.py
         shell: bash
 
@@ -65,7 +74,8 @@ flow:
       - type: console
         command: |
           cd ~/green-metrics-tool/tests
-          python3 -m pytest -vv -rA
+          source ../venv/bin/activate
+          python3 -m pytest --durations=0 -vv -rA
         shell: bash
 
   - name: Stop Test Containers